CVE-2026-53829

CVE-2026-53829 is a high-severity vulnerability in Openclaw with a CVSS 3.x base score of 8.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-451.

Key facts

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.

Frequently asked questions

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.
How severe is CVE-2026-53829?
CVE-2026-53829 has a CVSS 3.x base score of 8.0, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-53829 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-53829?
CVE-2026-53829 affects Openclaw. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-53829?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2026-53829 have an EU (EUVD) identifier?
Yes. CVE-2026-53829 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36617.
When was CVE-2026-53829 published?
CVE-2026-53829 was published on 2026-06-12 and last updated on 2026-06-17.

References

Affected products (1)

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