CVE-2026-42439
OpenClaw: Browser tabs action select and close routes bypassed SSRF policy
Description
## Summary Browser tabs action select and close routes bypassed SSRF policy. ## Affected Packages / Versions - Package: `openclaw` - Ecosystem: npm - Affected versions: `< 2026.4.10` - Patched versions: `>= 2026.4.10` ## Impact The browser `/tabs/action` select and close branches could operate on targets without enforcing configured browser SSRF policy, weakening tab-level navigation protections. ## Technical Details The fix enforces browser SSRF policy in the select and close tab-action branches. ## Fix The issue was fixed in #63332. The first stable tag containing the fix is `v2026.4.10`, and `[email protected]` includes the fix. ## Fix Commit(s) - `48c0347921b7e9438af0312968fc360ca88023f3` - PR: #63332 ## Release Process Note Users should upgrade to `openclaw` 2026.4.10 or newer. The latest npm release, `2026.4.14`, already includes the fix. ## Credits Thanks to @tdjackey for reporting this issue.
How to fix CVE-2026-42439
To remediate CVE-2026-42439, upgrade the affected package to a fixed version below.
- —upgrade to 2026.4.10 or later
Is CVE-2026-42439 being exploited?
Low — EPSS is 0.0%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2026.4.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 4.0 | — | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N |
| osv | CVSS 3.1 | HIGH8.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N |