{"cve":"CVE-2021-4164","nvd":{"published":"2022-01-17T13:15:08.193","modified":"2026-06-17T04:19:08.577","status":"Modified","description":"calibre-web is vulnerable to Cross-Site Request Forgery (CSRF)","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","score":8.8},"cwes":["CWE-352"],"references":["https://github.com/janeczku/calibre-web/commit/785726deee13b4d56f6c3503dd57c1e3eb7d6f30","https://huntr.dev/bounties/2debace1-a0f3-45c1-95fa-9d0512680758","https://github.com/janeczku/calibre-web/commit/785726deee13b4d56f6c3503dd57c1e3eb7d6f30","https://huntr.dev/bounties/2debace1-a0f3-45c1-95fa-9d0512680758"],"products":["janeczku:calibre-web"],"source":"nvd","synced_at":"2026-10-19T21:27:20.926095847+00:00"},"epss":{"cve":"CVE-2021-4164","score":0.00545,"percentile":0.45724,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-wxr6-29pv-ch68","url":"https://osv.dev/vulnerability/GHSA-wxr6-29pv-ch68","summary":"calibre-web is vulnerable to Cross-Site Request Forgery (CSRF)","modified":"2026-07-06T08:11:10.149642994Z","packages":[{"ecosystem":"PyPI","name":"calibreweb","purl":"pkg:pypi/calibreweb","ranges":["<0.6.15"],"fixed":["0.6.15"]}]},{"id":"PYSEC-2026-621","url":"https://osv.dev/vulnerability/PYSEC-2026-621","summary":"calibre-web is vulnerable to Cross-Site Request Forgery (CSRF)","modified":"2026-07-06T08:00:10.398909186Z","packages":[{"ecosystem":"PyPI","name":"calibreweb","purl":"pkg:pypi/calibreweb","ranges":["<0.6.15"],"fixed":["0.6.15"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}