GHSA-gm9m-x74r-8whg: Duplicate Advisory: OpenClaw's Nextcloud Talk webhook missing rate limiting on shared secret authentication
(updated )
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This advisory has been withdrawn because it is a duplicate of GHSA-9528-x887-j2fp.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.
References
- github.com/advisories/GHSA-gm9m-x74r-8whg
- github.com/openclaw/openclaw/commit/e403decb6e20091b5402780a7ccd2085f98aa3cd
- github.com/openclaw/openclaw/security/advisories/GHSA-9528-x887-j2fp
- nvd.nist.gov/vuln/detail/CVE-2026-33580
- www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-rate-limiting-on-webhook-shared-secret-authentication
Code Behaviors & Features
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