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CVE-2026-8305

📛 CVE Title

OpenClaw bluebubbles Webhook monitor.ts handleBlueBubblesWebhookRequest improper authentication

⬇ Download JSON ⚠ View as Threat

Description

A vulnerability was detected in OpenClaw up to 2026.1.24. The impacted element is the function handleBlueBubblesWebhookRequest of the file extensions/bluebubbles/src/monitor.ts of the component bluebubbles Webhook. Performing a manipulation results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2026.2.12 is sufficient to resolve this issue. The patch is named a6653be0265f1f02b9de46c06f52ea7c81a836e6. The affected component should be upgraded.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 6.9 / 10 6.9 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-287
Reserved
2026-05-11
Published
2026-05-11 18:30 UTC
Last updated
2026-05-11 20:26 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/8xxx/CVE-2026-8305.json
Linked Threat
CVE-2026-8305 — CVE-2026-8305

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
2026-05-11 18:16:44 UTC
NVD last modified
2026-05-16 03:06:20 UTC
NVD CVSS v3.1
CVSS 7.3 / 10 7.3 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
0.0042 (probability of exploitation in next 30 days)
EPSS percentile
61.81% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 06:17 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-2026-29158
Assigner
VulDB
Published
May 11, 2026, 4:30:14 PM
Updated
May 11, 2026, 6:26:10 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
0.4200
Vendors
n/a
Products
OpenClaw (2026.1.17)
OpenClaw (2026.1.22)
OpenClaw (2026.1.7)
OpenClaw (2026.1.23)
OpenClaw (2026.1.5)
OpenClaw (2026.1.12)
OpenClaw (2026.1.11)
OpenClaw (2026.1.3)
OpenClaw (2026.1.4)
OpenClaw
OpenClaw (2026.1.6)
OpenClaw (2026.1.21)
OpenClaw (2026.1.10)
OpenClaw (2026.1.14)
OpenClaw (2026.1.20)
OpenClaw (2026.1.2)
OpenClaw (2026.1.9)
OpenClaw (2026.1.16)
OpenClaw (2026.1.18)
OpenClaw (2026.1.8)
OpenClaw (2026.1.19)
OpenClaw (2026.1.1)
OpenClaw (2026.1.0)
OpenClaw (2026.1.15)
OpenClaw (2026.1.24)
OpenClaw (2026.1.13)

ENISA description: A vulnerability was detected in OpenClaw up to 2026.1.24. The impacted element is the function handleBlueBubblesWebhookRequest of the file extensions/bluebubbles/src/monitor.ts of the component bluebubbles Webhook. Performing a manipulation results in improper authentication. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 2026.2.12 is sufficient to resolve this issue. The patch is named a6653be0265f1f02b9de46c06f52ea7c81a836e6. The affected component should be upgraded.

EUVD references (9)

Affected products (1)
VendorProductVersionsPlatforms
n/a OpenClaw 2026.1.0 (affected), 2026.1.1 (affected), 2026.1.2 (affected), 2026.1.3 (affected), 2026.1.4 (affected), 2026.1.5 (affected), 2026.1.6 (affected), 2026.1.7 (affected), 2026.1.8 (affected), 2026.1.9 (affected), 2026.1.10 (affected), 2026.1.11 (affected), 2026.1.12 (affected), 2026.1.13 (affected), 2026.1.14 (affected), 2026.1.15 (affected), 2026.1.16 (affected), 2026.1.17 (affected), 2026.1.18 (affected), 2026.1.19 (affected), 2026.1.20 (affected), 2026.1.21 (affected), 2026.1.22 (affected), 2026.1.23 (affected), 2026.1.24 (affected), 2026.2.12 (unaffected) —

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:openclaw:openclaw:*:*:*:*:*:node.js:*:*

Vendor references (9)

References embedded in the original CVE record by the assigning CNA.

MITRE references (9) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

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.

NVD-tagged references (9)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (18)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • Microsoft Patch Tuesday for May 2026 — Snort rules and prominent ...
    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 21:02 UTC
  • Patch Tuesday, May 2026 Edition - Krebs on Security
    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 21:02 UTC
  • Nvd - Cve-2026-8305
    web:nvd.nist.gov

    This is a potential security issue, you are being redirected to https://nvd.nist.gov

    2026-05-23 21:02 UTC
  • Security Update Guide - Microsoft
    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 21:02 UTC
  • Microsoft May 2026 Patch Tuesday fixes 120 flaws, no zero-days
    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 21:02 UTC
  • CISA orders feds to patch Windows flaw exploited as zero-day
    web:www.bleepingcomputer.com

    The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has ordered federal agencies to secure their Windows systems against a vulnerability exploited in zero-day attacks.

    2026-05-23 21:02 UTC
  • Critical Patches Issued for Microsoft Products, May 12, 2026
    web:www.cisecurity.org

    <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

    2026-05-23 21:02 UTC
  • Update now: November Patch Tuesday fixes Windows zero-day exploited in ...
    web:www.malwarebytes.com

    Run Windows Update today, restart your PC, and check you're up to date. What's been fixed Microsoft releases important security updates on the second Tuesday of every month—known as " Patch Tuesday." This month's patches fix critical flaws in Windows 10, Windows 11, Windows Server, Office, and related services.

    2026-05-23 21:02 UTC
  • Microsoft fixes 167 security flaws in April, second biggest Patch ...
    web:www.pcworld.com

    This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in Windows and Remote Desktop.

    2026-05-23 21:02 UTC
  • Microsoft Issues Massive Windows Patch for 160+ Bugs ... - TechRepublic
    web:www.techrepublic.com

    Microsoft's April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company's largest monthly security updates.

    2026-05-23 21:02 UTC
  • Windows Kerberos RC4 deprecation: what will break in Active ... - 4sysops
    web:4sysops.com

    Starting in April 2026 , Windows updates will change the default Kerberos ticket issuance behavior to AES-SHA1 for accounts without explicit encryption settings, while RC4 can still be used where explicitly enabled. This change, driven by CVE - 2026 -20833, affects every Windows Server environment where service accounts or devices still rely on RC4. Any service account, NAS device, or legacy ...

    2026-05-26 02:50 UTC
  • Security Update Guide - Microsoft
    web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-05-26 02:50 UTC
  • Microsoft's May 2026 Patch Tuesday Fixes 130+ Vulnerabilities ...
    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 02:50 UTC
  • May 2026 Patch Tuesday: Updates and Analysis | CrowdStrike
    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 02:50 UTC
  • Microsoft Patch Tuesday - May 2026 - Lansweeper
    web:www.lansweeper.com

    Which vulnerabilities, issues, and other things did Microsoft update? Discover what's new using Lansweeper's Patch Tuesday May 2026 summary.

    2026-05-26 02:50 UTC
  • Oracle Critical Patch Update Advisory - April 2026
    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.

    2026-05-26 02:50 UTC
  • Incomplete Windows Patch Opens Door to Zero-Click Attacks
    web:www.securityweek.com

    The initial vulnerability was exploited by Russia-linked APT28 in attacks against Ukraine and EU countries. Incomplete patch for a Windows SmartScreen and Windows Shell security prompts bypass created a new bug enabling zero-click attacks, Akamai reports. The initial vulnerability, tracked as CVE ...

    2026-05-26 02:50 UTC
  • Patch Tuesday May 2026: Security Updates & CVE Analysis
    web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-26 02:50 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-8305.json.

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