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GHSA-wppj-c6mr-83jj
No affected components available
Summary
OpenShell FS bridge writes stay pinned to the sandbox mount root
Affected Packages / Versions
- Package: openclaw (npm)
- Affected versions: <= 2026.4.21
- Fixed version: 2026.4.22
Impact
A time-of-check/time-of-use race around OpenShell sandbox filesystem writes could let a symlink swap redirect a write outside the intended local mount root.
Fix
OpenShell write paths now validate the canonical target against the mount root, reject unsafe symlink parents and symlink leaves for writes, and use root-scoped write helpers before syncing to the remote sandbox.
Fix Commit(s)
- 7be82d4fd1193bcb7e44ee38838f00bf924ffa76
Verification
- The fix commit is contained in the public v2026.4.22 tag.
- openclaw@2026.4.22 is published on npm and the compiled package contains the fix.
- Focused regression coverage for this path passed before publication.
Thanks @VladimirEliTokarev for reporting.
The vulnerability can be exploited over the network without needing physical access. It is difficult for an attacker to exploit this vulnerability and may require special conditions. An attacker needs basic access or low-level privileges. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a high impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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