CVE-2026-41358

MEDIUM

OpenClaw < 2026.4.2 - Sender Allowlist Bypass via Slack Thread Context

Title source: cna
STIX 2.1

Description

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.

References (3)

Core 3
Core References
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.4.2 - Sender Allowlist Bypass via Slack Thread Context
https://www.vulncheck.com/advisories/openclaw-sender-allowlist-bypass-via-slack-thread-context
Vendor Advisory vendor-advisory
GitHub Security Advisory (GHSA-qm77-8qjp-4vcm)
https://github.com/openclaw/openclaw/security/advisories/GHSA-qm77-8qjp-4vcm

Scores

CVSS v3 5.4
EPSS 0.0014
EPSS Percentile 3.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-346
Status published
Products (4)
npm/openclaw 0 - 2026.4.2npm
OpenClaw/OpenClaw < 2026.4.2
openclaw/openclaw < 2026.4.2
OpenClaw/OpenClaw 2026.4.2
Published Apr 23, 2026
Tracked Since Apr 24, 2026