OpenClaw < 2026.5.18 - Command Truncation in Exec Approval Display
CVE-2026-53829

8.5HIGH

Key Information:

Vendor

Openclaw

Status
Openclaw
Vendor
CVE Published:
12 June 2026

What is CVE-2026-53829?

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 Version(s)

OpenClaw 0 < 2026.5.18

OpenClaw 2026.5.18

References

https://github.com/openclaw/openclaw/security/advisories/...
vendor-advisory
https://www.vulncheck.com/advisories/openclaw-command-tru...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

cantinagen
Ellahi (@Ellahinator)
.