High severity · published Jun 16, 2026
CVE-2026-53866
OpenClaw < 2026.5.12 - Allowlist Bypass in Shell Inline-Command Parsing
8.1
CVSS
0.3%
EPSS
No
On KEV
Description
OpenClaw before 2026.5.12 contains an allowlist bypass vulnerability in shell inline-command parsing that allows authenticated operators to execute unapproved commands. A command request using shell inline-command forms could route through a parser case missing the expected allowlist decision, enabling shell content execution without intended approval prompts.
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)0.3% · higher than 19% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.5.12 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53866
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53866
Vendor Advisory
https://github.com/openclaw/openclaw/security/advisories/GHSA-f397-5vjw-v2c2
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-allowlist-bypass-in-shell-inline-command-parsing
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