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CVE-2026-53851

CVE-2026-53851 · OpenClaw < 2026.5.12 - Slack Reaction Event Notification Bypass

This page contains facts from public vulnerability sources. Check the original advisory before updating.

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.

CVSS 6.3 · Medium · EPSS 0.3% · Fix available

Published
Updated

Stack: node

Affected products and versions

  • openclaw

    Versions
    • ≥ 0, < 2026.5.12: Affected (semver)
    • 2026.5.12: Not affected (semver)

    Update to 2026.5.12

  • openclaw npm

    Affected ranges
    • SEMVER: < 2026.5.12

    Update to 2026.5.12

Original sources

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