CVE-2026-53831 | THREATINT

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.

PUBLISHED Reserved 2026-06-10 | Published 2026-06-12 | Updated 2026-06-15 | Assigner VulnCheck

HIGH: 7.6CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N

HIGH: 8.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Problem types

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

Product status

Default status

unaffected

Any version before 2026.5.18

affected

2026.5.18 (semver)

unaffected

Credits

cantinagen reporter

Ellahi (@Ellahinator) finder

References

github.com/...enclaw/security/advisories/GHSA-mhq8-78pj-5j79 (GitHub Security Advisory (GHSA-mhq8-78pj-5j79)) vendor-advisory

www.vulncheck.com/...ansion-in-system-run-safe-bin-allowlist (VulnCheck Advisory: OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist) third-party-advisory

cve.org (CVE-2026-53831)

nvd.nist.gov (CVE-2026-53831)

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