VulnerabilityAnalyzed
CVE-2026-53829
OpenClaw before 2026.5.18 contains an approval display truncation vulnerability allowing authenticated users to hide command suffixes from approvers.
HIGH 8.5EPSS 0.23%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.23%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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.
- CVSS 4.0
- 8.5 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/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/M
- EPSS
- 0.23% probability · 14th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-451
- Affected
- openclaw/openclaw
- Source
- disclosure@vulncheck.com
References
- https://github.com/openclaw/openclaw/security/advisories/GHSA-xww8-gqvh-92x9Mitigation, Vendor Advisory
- https://www.vulncheck.com/advisories/openclaw-command-truncation-in-exec-approval-displayThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.