CVE-2026-8767
📛 CVE Title
vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection
Description
A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- VulDB
- CVSS severity
- LOW
- CVSS score
- 2.3 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P- Effective score
- 2.3 / 10 LOW source: CNA overview
- CWE(s)
-
CWE-78,CWE-77 - Reserved
- 2026-05-17
- Published
- 2026-05-17 22:30 UTC
- Last updated
- 2026-05-18 14:30 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8767.json
- Linked Threat
- CVE-2026-8767 — CVE-2026-8767
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-17 23:17:02 UTC
- NVD last modified
- 2026-05-19 14:29:31 UTC
- NVD CVSS v3.1
- 5.0 / 10 MEDIUM source: cna@vuldb.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L- Exploitability subscore
- 1.6 / 10
- Impact subscore
- 3.4 / 10
- EPSS score
- 0.0031 (probability of exploitation in next 30 days)
- EPSS percentile
- 54.04% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 02:05 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-30714 - Assigner
- VulDB
- Published
- May 17, 2026, 10:30:09 PM
- Updated
- May 18, 2026, 2:30:55 PM
- EUVD base score (CVSS 4.0)
-
2.3 / 10
CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - EUVD-reported EPSS
- 0.3100
- Vendors
- vercel
- Products
-
AI (3.0.93)AI (3.0.96)AI (3.0.1)AI (3.0.10)AI (3.0.2)AI (3.0.78)AI (3.0.85)AI (3.0.50)AI (3.0.59)AI (3.0.27)AI (3.0.25)AI (3.0.8)AI (3.0.71)AI (3.0.17)AI (3.0.24)AI (3.0.69)AI (3.0.62)AI (3.0.57)AI (3.0.58)AI (3.0.63)AI (3.0.10)AI (3.0.97)AI (3.0.44)AI (3.0.91)AI (3.0.68)AI (3.0.36)AI (3.0.32)AI (3.0.64)AI (3.0.45)AI (3.0.38)AI (3.0.80)AI (3.0.21)AI (3.0.29)AI (3.0.4)AI (3.0.2)AI (3.0.81)AI (3.0.42)AI (3.0.51)AI (3.0.57)AI (3.0.84)AI (3.0.59)AI (3.0.60)AI (3.0.47)AI (3.0.92)AI (3.0.54)AI (3.0.93)AI (3.0.7)AI (3.0.52)AI (3.0.69)AI (3.0.54)AI (3.0.38)AI (3.0.68)AI (3.0.79)AI (3.0.55)AI (3.0.14)AI (3.0.15)AI (3.0.40)AI (3.0.28)AI (3.0.74)AI (3.0.64)AI (3.0.39)AI (3.0.22)AI (3.0.4)AI (3.0.37)AI (3.0.74)AI (3.0.23)AI (3.0.20)AI (3.0.95)AI (3.0.45)AI (3.0.80)AI (3.0.16)AI (3.0.94)AI (3.0.31)AI (3.0.89)AI (3.0.34)AI (3.0.7)AI (3.0.83)AI (3.0.23)AI (3.0.66)AI (3.0.49)AI (3.0.70)AI (3.0.40)AI (3.0.49)AI (3.0.48)AI (3.0.25)AI (3.0.24)AI (3.0.1)AI (3.0.44)AI (3.0.89)AI (3.0.61)AI (3.0.19)AI (3.0.76)AI (3.0.94)AI (3.0.6)AI (3.0.86)AI (3.0.67)AI (3.0.39)AI (3.0.5)AI (3.0.11)AI (3.0.75)AI (3.0.28)AI (3.0.33)AI (3.0.77)AI (3.0.77)AI (3.0.35)AI (3.0.46)AI (3.0.55)AI (3.0.31)AI (3.0.35)AI (3.0.3)AI (3.0.71)AI (3.0.30)AI (3.0.58)AI (3.0.11)AI (3.0.83)AI (3.0.13)AI (3.0.56)AI (3.0.81)AI (3.0.41)AI (3.0.63)AI (3.0.48)AI (3.0.53)AI (3.0.67)AI (3.0.17)AI (3.0.34)AI (3.0.41)AI (3.0.9)AI (3.0.88)AI (3.0.96)AI (3.0.12)AI (3.0.3)AI (3.0.91)AI (3.0.46)AI (3.0.66)AI (3.0.43)AI (3.0.87)AI (3.0.15)AI (3.0.60)AI (3.0.87)AI (3.0.27)AI (3.0.18)AI (3.0.0)AI (3.0.56)AI (3.0.47)AI (3.0.18)AI (3.0.51)AI (3.0.92)AI (3.0.50)AI (3.0.73)AI (3.0.90)AI (3.0.88)AI (3.0.43)AI (3.0.33)AI (3.0.85)AI (3.0.95)AI (3.0.73)AI (3.0.37)AI (3.0.5)AI (3.0.8)AI (3.0.32)AI (3.0.26)AI (3.0.42)AI (3.0.90)AI (3.0.72)AI (3.0.78)AI (3.0.72)AI (3.0.19)AI (3.0.0)AI (3.0.53)AI (3.0.16)AI (3.0.62)AI (3.0.13)AI (3.0.36)AI (3.0.29)AI (3.0.14)AI (3.0.82)AI (3.0.22)AI (3.0.79)AI (3.0.70)AI (3.0.84)AI (3.0.76)AI (3.0.86)AI (3.0.65)AI (3.0.52)AI (3.0.20)AI (3.0.65)AI (3.0.82)AI (3.0.30)AI (3.0.61)AI (3.0.75)AI (3.0.9)AI (3.0.21)AI (3.0.26)AI (3.0.12)AI (3.0.6)AI (3.0.97)
- Aliases
-
GHSA-9pj2-3x6v-c3pp
ENISA description: A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| vercel | ai |
3.0.0 (affected),
3.0.1 (affected),
3.0.2 (affected),
3.0.3 (affected),
3.0.4 (affected),
3.0.5 (affected),
3.0.6 (affected),
3.0.7 (affected),
3.0.8 (affected),
3.0.9 (affected),
3.0.10 (affected),
3.0.11 (affected),
3.0.12 (affected),
3.0.13 (affected),
3.0.14 (affected),
3.0.15 (affected),
3.0.16 (affected),
3.0.17 (affected),
3.0.18 (affected),
3.0.19 (affected),
3.0.20 (affected),
3.0.21 (affected),
3.0.22 (affected),
3.0.23 (affected),
3.0.24 (affected),
3.0.25 (affected),
3.0.26 (affected),
3.0.27 (affected),
3.0.28 (affected),
3.0.29 (affected),
3.0.30 (affected),
3.0.31 (affected),
3.0.32 (affected),
3.0.33 (affected),
3.0.34 (affected),
3.0.35 (affected),
3.0.36 (affected),
3.0.37 (affected),
3.0.38 (affected),
3.0.39 (affected),
3.0.40 (affected),
3.0.41 (affected),
3.0.42 (affected),
3.0.43 (affected),
3.0.44 (affected),
3.0.45 (affected),
3.0.46 (affected),
3.0.47 (affected),
3.0.48 (affected),
3.0.49 (affected),
3.0.50 (affected),
3.0.51 (affected),
3.0.52 (affected),
3.0.53 (affected),
3.0.54 (affected),
3.0.55 (affected),
3.0.56 (affected),
3.0.57 (affected),
3.0.58 (affected),
3.0.59 (affected),
3.0.60 (affected),
3.0.61 (affected),
3.0.62 (affected),
3.0.63 (affected),
3.0.64 (affected),
3.0.65 (affected),
3.0.66 (affected),
3.0.67 (affected),
3.0.68 (affected),
3.0.69 (affected),
3.0.70 (affected),
3.0.71 (affected),
3.0.72 (affected),
3.0.73 (affected),
3.0.74 (affected),
3.0.75 (affected),
3.0.76 (affected),
3.0.77 (affected),
3.0.78 (affected),
3.0.79 (affected),
3.0.80 (affected),
3.0.81 (affected),
3.0.82 (affected),
3.0.83 (affected),
3.0.84 (affected),
3.0.85 (affected),
3.0.86 (affected),
3.0.87 (affected),
3.0.88 (affected),
3.0.89 (affected),
3.0.90 (affected),
3.0.91 (affected),
3.0.92 (affected),
3.0.93 (affected),
3.0.94 (affected),
3.0.95 (affected),
3.0.96 (affected),
3.0.97 (affected)
|
— |
Affected products — CPE 2.3 (1) NVD
NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.
cpe:2.3:a:vercel:ai:*:*:*:*:*:*:*:*
Vendor references (4)
References embedded in the original CVE record by the assigning CNA.
- VDB-364392 | vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection vdb-entrytechnical-description
- VDB-364392 | CTI Indicators (IOB, IOC, TTP, IOA) signaturepermissions-required
- Submit #811402 | vercel ai @ai-sdk/amazon-bedrock@3.0.97 OS Command Injection (CWE-78) third-party-advisory
- https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0 exploit
Web references (7)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0 tenable:gist.github.com
- https://nvd.nist.gov/vuln/detail/CVE-2026-8767 tenable:nvd.nist.gov
- https://vuldb.com/submit/811402 tenable:vuldb.com
- https://vuldb.com/vuln/364392 tenable:vuldb.com
- https://vuldb.com/vuln/364392/cti tenable:vuldb.com
- https://www.cve.org/CVERecord?id=CVE-2026-8767 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (4)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0 cna@vuldb.com ExploitThird Party Advisory
- https://vuldb.com/submit/811402 cna@vuldb.com Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/364392 cna@vuldb.com Third Party AdvisoryVDB Entry
- https://vuldb.com/vuln/364392/cti cna@vuldb.com Permissions RequiredVDB Entry
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
With Qualys Policy Audit's out-of-the-box mitigation or Compensatory Controls, which reduce the risk of a vulnerability being exploited because the remediation ( fix / patch ) cannot be done immediately, these security controls are not recommended by any industry standards, such as CIS and DISA-STIG.
2026-05-23 21:55 UTC -
web:blog.talosintelligence.com
Microsoft has released its monthly security update for May 2026 , which includes 137 vulnerabilities affecting a range of products, including 16 that Microsoft marked as "critical".
2026-05-23 21:55 UTC -
web:blogs.oracle.com
As a follow-up to our recent post, Accelerating Vulnerability Detection and Response, Oracle is announcing the start date and cadence for monthly Critical Security Patch Updates (CSPUs). Beginning May 28, 2026 , Oracle will deliver a Critical Security Patch Update (CSPU) each month.
2026-05-23 21:55 UTC -
web:krebsonsecurity.com
Microsoft expects that exploitation is more likely. May's Patch Tuesday is a welcome respite from April, which saw Microsoft fix a near-record 167 security flaws.
2026-05-23 21:55 UTC -
web:nvd.nist.gov
Official websites use .gov A .gov website belongs to an official government organization in the United States.
2026-05-23 21:55 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-05-23 21:55 UTC -
web:redmondmag.com
Microsoft this week released one of the largest Patch Tuesday bundles in its history, delivering fixes for 163 new Microsoft CVEs in a month that includes three zero-days and eight Critical-rated ...
2026-05-23 21:55 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's May 2026 Patch Tuesday, with security updates for 120 flaws and no zero-days disclosed this month.
2026-05-23 21:55 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-05-23 21:55 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-05-23 21:55 UTC -
web:epatch.pa.gov
Why does PATCH exist? Its purpose is to better enable the public to obtain criminal history record checks. The repository was created and is maintained in accordance with Pennsylvania's Criminal History Information Act contained in Chapter 91 of Title 18, Crimes Code. This Act also directs the Pennsylvania State Police (PSP) to disseminate criminal history data to criminal justice agencies ...
2026-05-26 02:58 UTC -
web:patch.moe
Age Verification Are you 18 years or older? YES NO
2026-05-26 02:58 UTC -
web:patchnashville.com
Patch was born out of a love of children's fashion and classic yet modern gifting. The goal was to create a timeless yet modern boutique with a playful touch featuring children's clothing, gifts, & accessories. My hope is that you always find what you came for and feel as inspired by our collections as we are.
2026-05-26 02:58 UTC -
web:thecyberexpress.com
Microsoft's Patch Tuesday April 2026 release has introduced one of the most extensive security update rollouts of the year, addressing a total of 167 vulnerabilities across Windows operating systems and associated software. This latest Microsoft Patch Tuesday also includes fixes for two zero-day ...
2026-05-26 02:58 UTC -
web:threatprotect.qualys.com
Zero-day Vulnerabilities Patched in April Patch Tuesday Edition CVE - 2026 -33825: Microsoft Defender Elevation of Privilege Vulnerability Microsoft Defender is a comprehensive, AI-powered security suite that provides malware protection, phishing detection, and web protection for individuals and businesses.
2026-05-26 02:58 UTC -
web:www.bleepingcomputer.com
Today is Microsoft's April 2026 Patch Tuesday with security updates for 167 flaws, including 2 zero-day vulnerabilities.
2026-05-26 02:58 UTC -
web:www.cve.org
At cve .org, we provide the authoritative reference method for publicly known information-security vulnerabilities and exposures
2026-05-26 02:58 UTC -
web:www.leagueoflegends.com
League of Legends Patch 26.5 Notes Welcome to the official patch of First Stand, the first major international tournament of the year!
2026-05-26 02:58 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-8767.json.
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{
"status": "affected",
"version": "3.0.81"
},
{
"status": "affected",
"version": "3.0.82"
},
{
"status": "affected",
"version": "3.0.83"
},
{
"status": "affected",
"version": "3.0.84"
},
{
"status": "affected",
"version": "3.0.85"
},
{
"status": "affected",
"version": "3.0.86"
},
{
"status": "affected",
"version": "3.0.87"
},
{
"status": "affected",
"version": "3.0.88"
},
{
"status": "affected",
"version": "3.0.89"
},
{
"status": "affected",
"version": "3.0.90"
},
{
"status": "affected",
"version": "3.0.91"
},
{
"status": "affected",
"version": "3.0.92"
},
{
"status": "affected",
"version": "3.0.93"
},
{
"status": "affected",
"version": "3.0.94"
},
{
"status": "affected",
"version": "3.0.95"
},
{
"status": "affected",
"version": "3.0.96"
},
{
"status": "affected",
"version": "3.0.97"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "Eric-d (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability has been found in vercel ai up to 3.0.97. Impacted is the function run of the file .github/workflows/prettier-on-automerge.yml of the component PR Branch Name Interpolation. The manipulation leads to os command injection. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 2.3,
"baseSeverity": "LOW",
"vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 5,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 4.6,
"vectorString": "AV:N/AC:H/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-78",
"description": "OS Command Injection",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-77",
"description": "Command Injection",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-17T22:30:09.659Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-364392 | vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/364392"
},
{
"name": "VDB-364392 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/364392/cti"
},
{
"name": "Submit #811402 | vercel ai @ai-sdk/amazon-bedrock@3.0.97 OS Command Injection (CWE-78)",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/811402"
},
{
"tags": [
"exploit"
],
"url": "https://gist.github.com/YLChen-007/870bd6966cd84703d91ce54dfea3bdd0"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-05-17T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-05-17T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-05-17T11:33:11.000Z",
"value": "VulDB entry last update"
}
],
"title": "vercel ai PR Branch Name Interpolation prettier-on-automerge.yml run os command injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-8767",
"datePublished": "2026-05-17T22:30:09.659Z",
"dateReserved": "2026-05-17T09:28:03.647Z",
"dateUpdated": "2026-05-18T14:30:55.942Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}