CVE-2026-44112: OpenClaw < 2026.4.22 - Symlink Swap Race Condition in OpenShell FS Bridge Writes

Severity: critical (CVSS 9.6 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-05-06 · updated 2026-06-17
Weakness: CWE-367

Description

OpenClaw before 2026.4.22 contains a time-of-check/time-of-use race condition in OpenShell sandbox filesystem writes that allows attackers to redirect writes outside the intended mount root. Attackers can exploit symlink swaps during filesystem operations to bypass sandbox restrictions and write files outside the local mount root.

Affected products

OpenClaw: before 2026.4.22 — fixed in 2026.4.22

How to fix

Upgrade to a fixed version: OpenClaw 2026.4.22. Check the vendor advisory for mitigations.

References

https://github.com/openclaw/openclaw/commit/7be82d4fd1193bcb7e44ee38838f00bf924ffa76
https://github.com/openclaw/openclaw/security/advisories/GHSA-wppj-c6mr-83jj
https://www.vulncheck.com/advisories/openclaw-symlink-swap-race-condition-in-openshell-fs-bridge-writes

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