CVE-2026-53824 PUBLISHED

Mattermost plugin for OpenClaw < 2026.4.24 - Slash Token Revocation Lag via Monitor Refresh Delay

Assigner: VulnCheck
Reserved: 10.06.2026 Published: 12.06.2026 Updated: 13.06.2026

OpenClaw before 2026.4.24 contains a token revocation vulnerability allowing callers with revoked slash tokens to continue executing commands during monitor refresh windows. Attackers can exploit stale token acceptance to invoke slash command behavior briefly after token revocation, potentially executing unauthorized actions depending on operator configuration.

Metrics

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
CVSS Score: 6

Product Status

Vendor OpenClaw
Product OpenClaw
Versions Default: unaffected
  • affected from 0 to 2026.4.24 (excl.)
  • Version 2026.4.24 is unaffected

Credits

  • 侯海飞 (@feynman-hou) reporter

References

Problem Types

  • Insufficient Session Expiration CWE