CVE-2026-53829

Name: CVE-2026-53829
Creator: NVD / NIST
Published: 2026-06-12T22:16:54.347+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 8.5/10EPSS 0.23%

Last modified Jun 17, 2026

CVE-2026-53829 is a high-severity vulnerability rated 8.5/10 on the CVSS scale. 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.. EPSS estimates a 0.23% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

8/10

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

CVSS 4.0

8.5/10

CVSS: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/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.23%

13.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-451

Affected Software

Vendor	Product	Versions
Openclaw	Openclaw	< 2026.5.18

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

Timeline

Published: Jun 12, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-53829?

How severe is CVE-2026-53829?

CVE-2026-53829 has a CVSS score of 8.5/10 (HIGH severity). The EPSS model estimates a 0.23% probability of exploitation in the next 30 days.

How do I fix CVE-2026-53829?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-53829?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST