Home/CVE/OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in the browser tabs action
CVE

CVE-2026-42439

OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in the browser tabs action

OpenClaw before 2026.4.10 contains a server-side request forgery policy bypass vulnerability in the browser tabs action select and close routes. Attackers can bypass configured browser SSRF policy protections by exploiting the /tabs/action endpoint to perform unauthorized tab navigation operations.

HIGH · CVSS 8.5 EPSS 0.00031
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-862Missing Authorization
CWE-918Server-Side Request Forgery (SSRF)
▤

Affected Products & Versions

1
openclaw< 2026.4.10
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm openclaw MODERATE fixed in 2026.4.10
▣

Scoring & Timeline

8.5
HIGH · CVSS v3.1 · disclosure@vulncheck.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD05 May 2026 · 12:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
🔗

References & Sources

3
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/openclaw/openclaw/commit/48c0347921b7e9438af0312968fc360ca88023f3Patch
https://github.com/openclaw/openclaw/security/advisories/GHSA-rj2p-j66c-mgqhVendor Advisory
https://www.vulncheck.com/advisories/openclaw-ssrf-policy-bypass-in-browser-tabs-action-routesThird Party Advisory
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