Vulnerability · Published Jun 12, 2026 · Assigned by VulnCheck
CVE-2026-53829OpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display
High 8.0
In plain English
A high-severity security flaw in OpenClaw from OpenClaw. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 3.1)8.0High
Exploit odds (30 days)0.2%top 85.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
OpenClaw before 2026.5.18 contains an approval display truncation vulnerability allowing authenticated users to hide command suffixes from approvers. Attackers can submit oversized exec commands with benign prefixes and malicious suffixes to execute unauthorized operations after approval.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| npm | openclaw | 2026.5.18 | GHSA-xww8-gqvh-92x9 |
Affected products (as reported)
Weakness: CWE-451 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
References
- GitHub Security Advisory (GHSA-xww8-gqvh-92x9) vendor-advisory
- VulnCheck Advisory: OpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display third-party-advisory