CVE-2026-32899

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

Published Mar 21, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-rm2p-j3r7-4x4j OpenClaw's Slack reaction/pin sender-policy consistency issue in non-message ingress
History
Type Values Removed Values Added
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.
Title OpenClaw < 2026.2.25 - Sender Policy Bypass in Slack Reaction and Pin Event Handlers
First Time appeared Openclaw
Openclaw openclaw
Weaknesses CWE-863
CPEs cpe:2.3:a:openclaw:openclaw:*:*:*:*:*:node.js:*:*
Vendors & Products Openclaw
Openclaw openclaw
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Jun 23, 2026, 4:15 PM
Reserved
Mar 16, 2026, 9:18 PM
Status
Analyzed
Published
Mar 21, 2026, 1:17 AM
Modified
Jun 17, 2026, 10:36 AM