CVE Catalog

CVE-2026-53851

MediumCVSS 5.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.20%

10th percentile — higher than 10% of all known CVEs

Summary

OpenClaw before version 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications.

Risk Assessment

Attackers can trigger unintended agent processing, potentially leading to unauthorized processing of lower-trust input.

Recommendation

It is recommended to update OpenClaw to version 2026.5.12 or later to mitigate this vulnerability.

Original NVD description (English source)

OpenClaw before 2026.5.12 contains a notification bypass vulnerability allowing Slack reaction events to enter the agent pipeline despite disabled reaction notifications. Attackers can trigger unintended agent processing by sending reaction events when the feature is enabled, potentially leading to unauthorized processing of lower-trust input.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS