PatchSiren cyber security CVE debrief
CVE-2026-53831 OpenClaw CVE debrief
CVE-2026-53831 is a high-severity policy enforcement vulnerability in OpenClaw before version 2026.5.18. The vulnerability is located in the system.run safe-bin allowlist validation and 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. The CVSS score for this vulnerability is 7.6, indicating a high severity.
- Vendor
- OpenClaw
- Product
- Unknown
- CVSS
- HIGH 7.6
- CISA KEV
- Not listed in stored evidence
- Original CVE published
- 2026-06-12
- Original CVE updated
- 2026-06-12
- Advisory published
- 2026-06-12
- Advisory updated
- 2026-06-12
Who should care
Users of OpenClaw before version 2026.5.18, particularly those with authenticated operators, should be aware of this vulnerability and take steps to mitigate it.
Technical summary
The vulnerability is caused by inadequate validation of shell metacharacters in approved commands in the system.run safe-bin allowlist. This allows authenticated operators to exploit shell expansion and read unintended node-local files, potentially exposing sensitive configuration data.
Defensive priority
High
Recommended defensive actions
- Update OpenClaw to version 2026.5.18 or later.
- Restrict access to authenticated operators.
- Monitor for suspicious activity.
Evidence notes
The CVE record and NVD detail can be found at [cve-org] and [nvd], respectively. Additional information can be found in the source references [ref-4] and [ref-5].
Official resources
CVE-2026-53831 was published on 2026-06-12T22:16:54.643Z and has not been modified since then.