CVE-2026-53831

OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist

State: Published
Severity: 7.6 High
Published: Jun 12, 2026
Updated: Jun 15, 2026
Reserved: Jun 10, 2026

Description

OpenClaw before 2026.5.18 contains a policy enforcement vulnerability in system.run safe-bin allowlist validation that allows shell expansion to modify command interpretation on POSIX nodes. Authenticated operators can exploit shell metacharacters in approved commands to read unintended node-local files and expose sensitive configuration data.

Scores

CVSS	Score	Vector	Source
4.0	7.6 High	CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N	VulnCheck
3.1	8.3 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L	VulnCheck

Weaknesses

CWE-367 Time-of-check Time-of-use (TOCTOU) Race Condition

Affected Products

Product	Versions
OpenClawOpenClaw	before 2026.5.18Affected 2026.5.18Not affected

References

GitHub Security Advisory (GHSA-mhq8-78pj-5j79)vendor-advisory
VulnCheck Advisory: OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlistthird-party-advisory

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