GHSA-chqm-wxm2-w73w: Duplicate Advisory: OpenClaw: Mattermost handlers could fall open when channel type was missing
This advisory was withdrawn on Aug 28, 2026. The publisher no longer considers it a valid vulnerability.
Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-gp79-m99v-gjmh. This link is maintained to preserve external references. Original Description OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata.
Published Jun 13, 2026 · Updated Aug 28, 2026
Affected packages
openclaw
- Ecosystem
- npm
- Affected
- < 2026.5.6
- Fixed in
- 2026.5.6
- Check
npm ls openclaw
Advisory details
From the GitHub Advisory Database (CC BY 4.0).
Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-gp79-m99v-gjmh. This link is maintained to preserve external references.
Original Description
OpenClaw before 2026.5.6 contains an improper access control vulnerability in Mattermost event handlers that fails to validate channel type metadata. Attackers can bypass intended DM policy decisions by sending crafted Mattermost events missing channel type information to process restricted content.
References
How this page is made: the data panel comes from the GitHub Advisory Database, CISA’s KEV catalog, the NVD and FIRST EPSS, and updates twice a day. No analysis has been written for this entry yet. Methodology
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