CVE-2026-53819 json
OpenClaw < 2026.5.27 - Arbitrary Homebrew Executable Execution via Workspace .env Override
published 5mo ago modified 4mo ago also EUVD-2026-36325 , GHSA-8wg3-5mcm-fjq8
- cvss
- 8.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm openclaw 2026.5.27
- OpenClaw OpenClaw 2026.5.27
Is CVE-2026-53819 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerCISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 5mo ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-11).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| CNA | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| CNA | 4.0 | 8.7 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | openclaw | <2026.5.27 |
2026.5.27 |
Affected products
- OpenClaw OpenClaw
Classification
- Weakness
-
- CWE-426 Untrusted Search Path
References
-
github.com
/openclaw/openclaw/security/advisories/GHSA-8wg3-5mcm-fjq8
vendor-advisory, web, mitigation, advisory
-
vulncheck.com
/advisories/openclaw-arbitrary-homebrew-executable-execution-via-workspace-env-override
third-party-advisory, web
-
nvd.nist.gov
/vuln/detail/CVE-2026-53819
advisory
-
github.com
/openclaw/openclaw
package
Sources
- CVE List CVE-2026-53819
- GitHub Advisory GHSA-8wg3-5mcm-fjq8
- NVD CVE-2026-53819
- Maintainer advisory GHSA-8wg3-5mcm-fjq8
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
The maintainers of openclaw/openclaw published their own advisory on GitHub. Reviewed sources take precedence over it.