Vulnerability DatabaseCVE-2026-42439
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-42439
Published:May 05, 2026
Updated:May 16, 2026
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.
Affected Packages
openclaw (NPM):
Affected version(s) >=0.0.1 <2026.4.10
Fix Suggestion:
Update to version 2026.4.10
openclaw (NPM):
Affected version(s) >=0.0.1 <2026.4.10
Fix Suggestion:
Update to version 2026.4.10
Related Resources (7)
https://github.com/openclaw/openclaw/commit/48c03479211799ec3c1305ad69037cea25ba0e1e
https://github.com/openclaw/openclaw/pull/63332
https://github.com/openclaw/openclaw
https://github.com/openclaw/openclaw/security/advisories/GHSA-rj2p-j66c-mgqh
https://github.com/openclaw/openclaw/commit/48c0347921b7e9438af0312968fc360ca88023f3
https://www.vulncheck.com/advisories/openclaw-ssrf-policy-bypass-in-browser-tabs-action-routes
https://nvd.nist.gov/vuln/detail/CVE-2026-42439
Do you need more information?
Contact Us
CVSS v4
Base Score:
4.9
Attack Vector
NETWORK
Attack Complexity
LOW
Attack Requirements
PRESENT
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
LOW
Vulnerable System Availability
NONE
Subsequent System Confidentiality
HIGH
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
8.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE
Weakness Type (CWE)
Server-Side Request Forgery (SSRF)
CWE-918
Missing Authorization
CWE-862
EPSS
Base Score:
0.03