CVE-2026-53824

MEDIUM 6.5

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

CVSS Score

6.5

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-613
Vendor	openclaw
Product	openclaw
Published	Jun 12, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.24

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-4m3v-q747-pc6h vulncheck.com: https://www.vulncheck.com/advisories/mattermost-slash-token-revocation-lag-via-monitor-refresh-delay

Credits

🔍 侯海飞 (@feynman-hou)