{"id":"GHSA-gm9m-x74r-8whg","summary":"Duplicate Advisory: OpenClaw's Nextcloud Talk webhook missing rate limiting on shared secret authentication","details":"### Duplicate Advisory\nThis advisory has been withdrawn because it is a duplicate of GHSA-9528-x887-j2fp. This link is maintained to preserve external references.\n\n### Original Description\nOpenClaw 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authentication without throttling.","modified":"2026-04-06T23:05:27.281431Z","published":"2026-03-31T15:31:56Z","withdrawn":"2026-04-06T22:53:20Z","database_specific":{"github_reviewed_at":"2026-04-06T22:53:20Z","nvd_published_at":"2026-03-31T15:16:15Z","cwe_ids":["CWE-307"],"severity":"MODERATE","github_reviewed":true},"references":[{"type":"WEB","url":"https://github.com/openclaw/openclaw/security/advisories/GHSA-9528-x887-j2fp"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-33580"},{"type":"WEB","url":"https://github.com/openclaw/openclaw/commit/e403decb6e20091b5402780a7ccd2085f98aa3cd"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/openclaw-brute-force-attack-via-missing-rate-limiting-on-webhook-shared-secret-authentication"}],"affected":[{"package":{"name":"openclaw","ecosystem":"npm","purl":"pkg:npm/openclaw"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"2026.3.28"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2026/03/GHSA-gm9m-x74r-8whg/GHSA-gm9m-x74r-8whg.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"type":"CVSS_V4","score":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}