CVE-2026-8759
📛 CVE Title
xiandafu beetl SpELFunction SpELFunction.java expression language injection
Description
A vulnerability was identified in xiandafu beetl up to 3.20.2. Affected is an unknown function of the file beetl-classic-integration/beetl-spring-classic/src/main/java/org/beetl/ext/spring/SpELFunction.java of the component SpELFunction. The manipulation leads to improper neutralization of special elements used in an expression language statement. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- VulDB
- CVSS severity
- MEDIUM
- CVSS score
- 6.9 / 10
- CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P- Effective score
- 6.9 / 10 MEDIUM source: CNA overview
- CWE(s)
-
CWE-917,CWE-20 - Reserved
- 2026-05-16
- Published
- 2026-05-17 16:15 UTC
- Last updated
- 2026-05-17 16:15 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8759.json
- Linked Threat
- CVE-2026-8759 — CVE-2026-8759
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 15:16:20 UTC
- NVD last modified
- 2026-05-18 19:22:47 UTC
- NVD CVSS v3.1
- 7.3 / 10 HIGH source: cna@vuldb.com
- NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L- Exploitability subscore
- 3.9 / 10
- Impact subscore
- 3.4 / 10
- EPSS score
- 0.0003 (probability of exploitation in next 30 days)
- EPSS percentile
- 7.75% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24
NVD / KEV / EPSS data refreshed 2026-05-25 06:04 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-2026-30704 - Assigner
- VulDB
- Published
- May 17, 2026, 2:15:42 PM
- Updated
- May 18, 2026, 8:10:58 PM
- EUVD base score (CVSS 4.0)
-
6.9 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P - EUVD-reported EPSS
- 0.0300
- Vendors
- xiandafu
- Products
-
beetl (3.20.2)beetl (3.20.1)beetl (3.20.0)
- Aliases
-
GHSA-fmmw-44rp-jcfp
ENISA description: A vulnerability was identified in xiandafu beetl up to 3.20.2. Affected is an unknown function of the file beetl-classic-integration/beetl-spring-classic/src/main/java/org/beetl/ext/spring/SpELFunction.java of the component SpELFunction. The manipulation leads to improper neutralization of special elements used in an expression language statement. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| xiandafu | beetl |
3.20.0 (affected),
3.20.1 (affected),
3.20.2 (affected)
|
— |
Vendor references (5)
References embedded in the original CVE record by the assigning CNA.
- VDB-364386 | xiandafu beetl SpELFunction SpELFunction.java expression language injection vdb-entry
- VDB-364386 | CTI Indicators (IOB, IOC, IOA) signaturepermissions-required
- Submit #811316 | Beetl <= 3.20.2.RELEASE Code Injection third-party-advisory
- https://gitee.com/xiandafu/beetl/issues/IIYAWC broken-linkexploitissue-tracking
- https://gitee.com/xiandafu/beetl/ broken-linkproduct
MITRE references (5) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
- https://gitee.com/xiandafu/beetl/ broken-link, product
- VDB-364386 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- VDB-364386 | xiandafu beetl SpELFunction SpELFunction.java expression language injection vdb-entry
- https://gitee.com/xiandafu/beetl/issues/IIYAWC broken-link, exploit, issue-tracking
- Submit #811316 | Beetl <= 3.20.2.RELEASE Code Injection third-party-advisory
Web references (3)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://nvd.nist.gov/vuln/detail/CVE-2026-8759 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-8759 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (5)
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://gitee.com/xiandafu/beetl/ cna@vuldb.com
- https://gitee.com/xiandafu/beetl/issues/IIYAWC cna@vuldb.com
- https://vuldb.com/submit/811316 cna@vuldb.com
- https://vuldb.com/vuln/364386 cna@vuldb.com
- https://vuldb.com/vuln/364386/cti cna@vuldb.com
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
Microsoft's February 2026 Patch Tuesday focuses on closing security gaps that attackers could exploit, reinforcing the importance of timely patching in enterprise environments. Here's a quick…
2026-05-23 20:49 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-05-23 20:49 UTC -
web:cybersecuritynews.com
No patch has been released yet; Microsoft has instead issued a multi-step manual mitigation guide while a formal security update is prepared. Windows BitLocker Security Bypass The vulnerability originates in WinRE's handling of the BootExecute registry value under HKLM\ControlSet001\Control\Session Manager.
2026-05-23 20:49 UTC -
web:krebsonsecurity.com
Microsoft Corp. today issued security updates to fix more than 80 vulnerabilities in its Windows operating systems and software. There are no known "zero-day" or actively exploited ...
2026-05-23 20:49 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 20:49 UTC -
web:windowsreport.com
The newly exposed Windows security flaw, dubbed "YellowKey," has become a major headache for Microsoft. After the exploit details leaked publicly alongside a working proof-of-concept, the company has now rushed out official mitigation guidance while it prepares a permanent fix . The vulnerability reportedly targets BitLocker-protected systems and could allow attackers direct access to ...
2026-05-23 20:49 UTC -
web:www.anavem.com
KB5087539 is a May 2026 security update that addresses multiple vulnerabilities in Windows Server 2025, including critical remote code execution flaws in Server Core and standard installations.
2026-05-23 20:49 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 20:49 UTC -
web:www.securityweek.com
Microsoft has announced mitigations for CVE - 2026 -45585, a BitLocker bypass triggered via FsTx in Windows Recovery.
2026-05-23 20:49 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 20:49 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 02:57 UTC -
web:support.microsoft.com
The April 14, 2026 update for Windows Server 2022 includes security and cumulative reliability improvements in .NET Framework 3.5 and 4.8. We recommend that you apply this update as part of your regular maintenance routines. Before you install this update, see the Prerequisites and Restart requirement sections. Summary Security Improvements CVE - 2026 -32178 - .NET Framework Remote Code Execution ...
2026-05-26 02:57 UTC -
web:windowsreport.com
Microsoft has released its May 2026 Patch Tuesday updates for Windows 11 and Windows 10, shipping as KB5089549 and KB5087544. The updates include fixes for more than 130 security vulnerabilities across Windows, Office, SharePoint, DNS components, and core system services, as Bleeping Computer writes. While no publicly disclosed zero-day vulnerabilities were reported this month, the […]
2026-05-26 02:57 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 02:57 UTC -
web:www.cisa.gov
For the benefit of the cybersecurity community and network defenders—and to help every organization better manage vulnerabilities and keep pace with threat activity—CISA maintains the authoritative source of vulnerabilities that have been exploited in the wild. Organizations should use the KEV catalog as an input to their vulnerability management prioritization framework.
2026-05-26 02:57 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.
2026-05-26 02:57 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 02:57 UTC -
web:www.penligent.ai
A deep technical analysis of CVE - 2026 -21509: Microsoft Office Security Feature Bypass. Includes mitigation scripts, OLE exploit mechanics, and validation strategies using AI automated penetration testing.
2026-05-26 02:57 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-8759.json.
{
"containers": {
"cna": {
"affected": [
{
"cpes": [
"cpe:2.3:a:xiandafu:beetl:*:*:*:*:*:*:*:*"
],
"modules": [
"SpELFunction"
],
"product": "beetl",
"vendor": "xiandafu",
"versions": [
{
"status": "affected",
"version": "3.20.0"
},
{
"status": "affected",
"version": "3.20.1"
},
{
"status": "affected",
"version": "3.20.2"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "pigpig (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was identified in xiandafu beetl up to 3.20.2. Affected is an unknown function of the file beetl-classic-integration/beetl-spring-classic/src/main/java/org/beetl/ext/spring/SpELFunction.java of the component SpELFunction. The manipulation leads to improper neutralization of special elements used in an expression language statement. Remote exploitation of the attack is possible. The exploit is publicly available and might be used. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
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"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R",
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}
},
{
"cvssV3_0": {
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}
},
{
"cvssV2_0": {
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"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
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"description": "Improper Neutralization of Special Elements used in an Expression Language Statement",
"lang": "en",
"type": "CWE"
}
]
},
{
"descriptions": [
{
"cweId": "CWE-20",
"description": "Improper Input Validation",
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"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-17T14:15:42.240Z",
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},
{
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"tags": [
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],
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},
{
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"tags": [
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],
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},
{
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"url": "https://gitee.com/xiandafu/beetl/issues/IIYAWC"
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"lang": "en",
"time": "2026-05-16T00:00:00.000Z",
"value": "Advisory disclosed"
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{
"lang": "en",
"time": "2026-05-16T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-05-16T19:50:08.000Z",
"value": "VulDB entry last update"
}
],
"title": "xiandafu beetl SpELFunction SpELFunction.java expression language injection"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
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"datePublished": "2026-05-17T14:15:42.240Z",
"dateReserved": "2026-05-16T17:44:58.119Z",
"dateUpdated": "2026-05-17T14:15:42.240Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}