High severity8.3NVD Advisory· Published Jun 12, 2026· Updated Jun 16, 2026

CVE-2026-53831

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
openclawnpm	< 2026.5.18	2026.5.18

Affected products

OpenClaw/Openclaw2 versions
cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*+ 1 more
- cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*range: <2026.5.18
- (no CPE)range: <2026.5.18

Patches

Vulnerability mechanics

References

github.com/advisories/GHSA-mhq8-78pj-5j79ghsaADVISORY
github.com/openclaw/openclaw/security/advisories/GHSA-mhq8-78pj-5j79nvdMitigationVendor AdvisoryWEB
nvd.nist.gov/vuln/detail/CVE-2026-53831ghsaADVISORY
www.vulncheck.com/advisories/openclaw-arbitrary-file-read-via-shell-expansion-in-system-run-safe-bin-allowlistnvdThird Party AdvisoryWEB

News mentions

OpenClaw: 25 CVEs Disclosed in Largest Security Batch, Including Code Execution and Critical Auth Bypass
Vypr Intelligence · Jun 12, 2026

Severity

HighCVSS v3.1

8.3/ 10

CVSS v47.6

CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:L/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

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: Low

Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:L

Affected

Source repo: github.com/openclaw/openclaw

EPSS

Probability of exploitation in the next 30 days.

0.20%

VYPR risk score

Composite of severity, exploitation, and reach.

0.47medium

cvss	0.540
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000

Weaknesses

CWE-200
Exposure of Sensitive Information to an Unauthorized Actor
CWE-284
Improper Access Control
CWE-367
Time-of-check Time-of-use (TOCTOU) Race Condition
CWE-78
Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVE ID

CVE-2026-53831

Credits

E
Ellahinator
finder · ghsa
C
cantinagen
reporter · ghsa