{"id":"GHSA-2647-c639-qv2j","aliases":["CVE-2022-0766","PYSEC-2026-304"],"title":"Server-Side Request Forgery in calibreweb","titleSource":"OSV","descriptionSource":"OSV","declaredSeverity":"CRITICAL","description":"calibreweb prior to version 0.6.17 is vulnerable to server-side request forgery (SSRF). This is due to an incomplete fix for [CVE-2022-0339](https://github.com/advisories/GHSA-4w8p-x6g8-fv64). The blacklist does not check for `0.0.0.0`, which would result in a payload of `0.0.0.0` resolving to `localhost`.","severity":"critical","score":9.8,"published":"2022-03-08T00:00:31.000Z","modified":"2026-10-27T15:30:03.252Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"PyPI","name":"calibreweb","sources":[{"name":"OSV · GHSA-2647-c639-qv2j","url":"https://osv.dev/vulnerability/GHSA-2647-c639-qv2j"}],"ranges":[{"events":[{"introduced":"0"},{"fixed":"0.6.17"}],"type":"ECOSYSTEM"}],"versions":["0.6.12","0.6.13","0.6.14","0.6.15","0.6.16"],"fixed":["0.6.17"]}],"sourceAffected":[],"references":["https://nvd.nist.gov/vuln/detail/CVE-2022-0766","https://github.com/janeczku/calibre-web/commit/965352c8d96c9eae7a6867ff76b0db137d04b0b8","https://github.com/janeczku/calibre-web","https://github.com/pypa/advisory-database/tree/main/vulns/calibreweb/PYSEC-2026-304.yaml","https://huntr.dev/bounties/7f2a5bb4-e6c7-4b6a-b8eb-face9e3add7b","https://pypi.org/project/calibreweb"],"sources":[{"name":"OSV","id":"GHSA-2647-c639-qv2j","modified":"2026-10-27T15:30:03.252544719Z","url":"https://osv.dev/vulnerability/GHSA-2647-c639-qv2j"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8}],"products":[],"remediation":[],"kev":{"status":"not-listed","checkedAt":"2026-10-28T09:15:31.408Z"},"coverage":[{"source":"NVD","status":"not-checked"},{"source":"GHSA","status":"not-checked"},{"source":"EUVD","status":"not-checked"},{"source":"EPSS","status":"not-checked"}],"evidence":[]}