{"id":"CVE-2026-91750","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-91750","summary":"WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated…","details":"WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal network addresses, allowing access to internal services and cloud metadata.","published":"2026-09-15T01:16:54.630","modified":"2026-09-15T01:16:54.630","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[],"fix":{"url":"https://github.com/Tencent/WeKnora/commit/1d322c525a6197d24f07555b4b18ad33313b4328","label":"Tencent/WeKnora@1d322c5"},"references":[{"type":"WEB","url":"https://github.com/Tencent/WeKnora"},{"type":"WEB","url":"https://github.com/Tencent/WeKnora/blob/v0.6.2/internal/application/service/knowledge_util.go#L339-L348"},{"type":"WEB","url":"https://github.com/Tencent/WeKnora/commit/1d322c525a6197d24f07555b4b18ad33313b4328"},{"type":"WEB","url":"https://github.com/Tencent/WeKnora/issues/2511"},{"type":"WEB","url":"https://www.vulncheck.com/advisories/weknora-before-0.7.0-ssrf-via-unvalidated-http-redirects"}],"provenance":{"sources":["OSV.dev","NVD","FIRST.org (EPSS)"],"lastVerified":"2026-09-15T01:16:54.630"}}