CVE-2026-32899

MEDIUM

OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers

Title source: cna
STIX 2.1

Description

OpenClaw versions prior to 2026.2.25 fail to consistently apply sender-policy checks to reaction_* and pin_* non-message events before adding them to system-event context. Attackers can bypass configured DM policies and channel user allowlists to inject unauthorized reaction and pin events from restricted senders.

References (4)

Core 4
Core References
Third Party Advisory third-party-advisory
GitHub Security Advisory (GHSA-rm2p-j3r7-4x4j)
https://github.com/openclaw/openclaw/security/advisories/GHSA-rm2p-j3r7-4x4j
Third Party Advisory third-party-advisory
VulnCheck Advisory: OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers
https://www.vulncheck.com/advisories/openclaw-sender-policy-bypass-in-slack-reaction-and-pin-event-handlers

Scores

CVSS v3 4.3
EPSS 0.0020
EPSS Percentile 10.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-863
Status published
Products (4)
npm/openclaw 0 - 2026.2.25npm
OpenClaw/OpenClaw < 2026.2.25
openclaw/openclaw < 2026.2.25
OpenClaw/OpenClaw 2026.2.25
Published Mar 21, 2026
Tracked Since Mar 21, 2026