mediumCVSS 9.8Vulnerability
GHSA-gm9m-x74r-8whg
### Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-9528-x887-j2fp. This link is maintained to preserve external references. ### Original Description OpenClaw before 2026.3.28 contains a missing rate limiting vulnerability in the Nextcloud Talk webhook authentication that allows attackers to brute-force weak shared secrets. Attackers who can reach the webhook endpoint can exploit this to forge inbound webhook events by repeatedly attempting authentication without throttling.
Properties
- ghsa_id
- GHSA-gm9m-x74r-8whg
- severity
- medium
- summary
- Duplicate Advisory: OpenClaw's Nextcloud Talk webhook missing rate limiting on shared secret authentication
- cvss_score
- 9.8
- cve_id
- GHSA-gm9m-x74r-8whg
- cvss_vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- is_ghsa_only
- true
- ghsa_published
- 2026-03-31T15:31:56Z
- source_url
- https://github.com/advisories/GHSA-gm9m-x74r-8whg
- ghsa_updated
- 2026-04-06T22:53:21Z
Related Entities (3)
AFFECTS (1)
→[Software]npm/OpenClaw
HAS_WEAKNESS (1)
→[Weakness]Improper Restriction of Excessive Authentication Attempts
REPORTED_BY (1)
→[Source]GitHub Advisory Database
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