CVE-2026-42439 | THREATINT

Description

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.

PUBLISHED Reserved 2026-04-27 | Published 2026-05-05 | Updated 2026-05-05 | Assigner VulnCheck

MEDIUM: 4.9CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N

HIGH: 8.5CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N

Problem types

CWE-862 Missing Authorization

Product status

Default status

unaffected

Any version before 2026.4.10

affected

2026.4.10 (semver)

unaffected

Credits

Nicky (@nicky-cc) reporter

References

github.com/...enclaw/security/advisories/GHSA-rj2p-j66c-mgqh (GitHub Security Advisory (GHSA-rj2p-j66c-mgqh)) vendor-advisory

github.com/...ommit/48c0347921b7e9438af0312968fc360ca88023f3 (Patch Commit) patch

www.vulncheck.com/...cy-bypass-in-browser-tabs-action-routes (VulnCheck Advisory: OpenClaw < 2026.4.10 - SSRF Policy Bypass in Browser Tabs Action Routes) third-party-advisory

cve.org (CVE-2026-42439)

nvd.nist.gov (CVE-2026-42439)

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