CVE-2026-42439 json
OpenClaw < 2026.4.10 - SSRF Policy Bypass in Browser Tabs Action Routes
published 2026-04-17 6 mo ago modified 2026-06-17 4 mo ago also GHSA-rj2p-j66c-mgqh , EUVD-2026-27261
- cvss
- 8.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 15%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm openclaw 2026.4.10
- OpenClaw OpenClaw 2026.4.10
- github.com/openclaw/openclaw@48c0347 commit
- github.com/openclaw/openclaw@48c0347 commit
- github.com/openclaw/openclaw#63332 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.24% chance of exploitation in the next 30 days, higher than 15% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 4.9 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N |
| CNA | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
| CNA | 4.0 | 4.9 | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| GitHub | 3.1 | 8.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.4.10 |
2026.4.10 |
Affected products
- OpenClaw OpenClaw
Classification
References
-
github.com
/openclaw/openclaw/commit/48c0347921b7e9438af0312968fc360ca88023f3
patch, web
-
github.com
/openclaw/openclaw/pull/63332
web
-
github.com
/openclaw/openclaw/commit/48c03479211799ec3c1305ad69037cea25ba0e1e
web
-
github.com
/openclaw/openclaw/security/advisories/GHSA-rj2p-j66c-mgqh
vendor-advisory, web
-
vulncheck.com
/advisories/openclaw-ssrf-policy-bypass-in-browser-tabs-action-routes
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-42439
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-42439
- GitHub Advisory GHSA-rj2p-j66c-mgqh
- NVD CVE-2026-42439
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