CVE-2026-41358

MEDIUM 5.4

OpenClaw < 2026.4.2 - Sender Allowlist Bypass via Slack Thread Context

CVSS Score

5.4

EPSS Score

0.0%

EPSS Percentile

0th

OpenClaw before 2026.4.2 fails to filter Slack thread context by sender allowlist, allowing non-allowlisted messages to enter agent context. Attackers can inject unauthorized thread messages through allowlisted user replies to bypass sender access controls and manipulate model context.

CWE	CWE-346
Vendor	openclaw
Product	openclaw
Published	Apr 23, 2026

Stay Ahead of the Next One

Get instant alerts for openclaw openclaw

Be the first to know when new medium vulnerabilities affecting openclaw openclaw are published — delivered to Slack, Telegram or Discord.

Get Free Alerts → Free · No credit card · 60 sec setup

CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

None

Affected Versions

OpenClaw / OpenClaw

0 < 2026.4.2

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/openclaw/openclaw/security/advisories/GHSA-qm77-8qjp-4vcm github.com: https://github.com/openclaw/openclaw/commit/ac5bc4fb37becc64a2ec314864cca1565e921f2d vulncheck.com: https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-slack-thread-context

Credits

🔍 AntAISecurityLab