{"id":"CVE-2026-51583","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-51583","summary":null,"details":"An issue in usememos through v0.30.0 allows a remote authenticated attacker to perform Server-Side Request Forgery (SSRF) via the Webhook validation mechanism in internal/webhook/validate.go, by setting a webhook target to an internal address.","published":"2026-08-11T00:00:00Z","modified":"2026-08-13T04:02:43.783251674Z","cvss":{"score":8.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://gist.github.com/seiyaibuki0523/d8af15eb555808319a2633269a9ebb80"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/51xxx/CVE-2026-51583.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-51583"},{"type":"PACKAGE","url":"https://github.com/usememos/memos"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-13T04:02:43.783251674Z"}}