High severity · published Jun 11, 2026
CVE-2026-53819
OpenClaw < 2026.5.27 - Arbitrary Homebrew Executable Execution via Workspace .env Override
7.8
CVSS
0.3%
EPSS
No
On KEV
Description
OpenClaw before 2026.5.27 contains an arbitrary code execution vulnerability in skill install flows where workspace .env files can override the Homebrew executable selection. Attackers with access to trusted operator workspaces can execute unintended Homebrew-compatible executables during skill setup to compromise the system.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 22% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
OP
OpenClaw · OpenClaw
before 2026.5.27 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-53819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-53819
Mitigation
https://github.com/openclaw/openclaw/security/advisories/GHSA-8wg3-5mcm-fjq8
Third Party Advisory
https://www.vulncheck.com/advisories/openclaw-arbitrary-homebrew-executable-execution-via-workspace-env-override
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