{"id":"PYSEC-2026-304","summary":"Server-Side Request Forgery in calibreweb","details":"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`.","aliases":["CVE-2022-0766","GHSA-2647-c639-qv2j"],"modified":"2026-07-01T20:22:50.148948Z","published":"2026-06-29T11:50:32.006359Z","references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-0766"},{"type":"WEB","url":"https://github.com/janeczku/calibre-web/commit/965352c8d96c9eae7a6867ff76b0db137d04b0b8"},{"type":"PACKAGE","url":"https://github.com/janeczku/calibre-web"},{"type":"WEB","url":"https://huntr.dev/bounties/7f2a5bb4-e6c7-4b6a-b8eb-face9e3add7b"},{"type":"PACKAGE","url":"https://pypi.org/project/calibreweb"},{"type":"ADVISORY","url":"https://github.com/advisories/GHSA-2647-c639-qv2j"}],"affected":[{"package":{"name":"calibreweb","ecosystem":"PyPI","purl":"pkg:pypi/calibreweb"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0.6.17"}]}],"versions":["0.6.12","0.6.13","0.6.14","0.6.15","0.6.16"],"database_specific":{"source":"https://github.com/pypa/advisory-database/blob/main/vulns/calibreweb/PYSEC-2026-304.yaml"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}