High severity · published Jun 12, 2026
CVE-2026-53831
OpenClaw < 2026.5.18 - Arbitrary File Read via Shell Expansion in system.run Safe-bin Allowlist
8.1
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 9% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.5.18 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53831
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53831
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-mhq8-78pj-5j79
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-shell-expansion-in-system-run-safe-bin-allowlist
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