CVE-2026-53806

HIGH 8.8

OpenClaw < 2026.5.12 - Shell Option Parsing Bypass in Exec Revalidation

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.5.12 contains a shell option parsing vulnerability that allows combined POSIX shell flags to bypass exec revalidation checks. Attackers can exploit this by using combined shell options to execute inline shell content without intended allowlist validation, potentially enabling unauthorized command execution when the affected feature is enabled.

CWE	CWE-367
Vendor	openclaw
Product	openclaw
Published	Jun 11, 2026

Stay Ahead of the Next One

Get instant alerts for openclaw openclaw

Be the first to know when new high vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

OpenClaw / OpenClaw

0 < 2026.5.12

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-vxx3-6hc9-7cc3 vulncheck.com: https://www.vulncheck.com/advisories/openclaw-shell-option-parsing-bypass-in-exec-revalidation

Credits

🔍 Edward-x (@YLChen-007)