{"action":"Upgrade pypdf to 6.7.2 or later.","affected":[{"fixed":"6.7.2","introduced":"0"}],"component":"pypdf","cve_ids":["CVE-2026-27628"],"ecosystem":"PyPI","epss":0.00397,"exploited":false,"fixed_versions":["6.7.2"],"ghsa_id":"GHSA-2rw7-x74f-jg35","id":"tcs_01M5KET8V04J1447TJA0YVFMDG","modified_at":"2026-07-13T16:42:58.625591114Z","published_at":"2026-02-25T16:09:03Z","references":["https://osv.dev/vulnerability/GHSA-2rw7-x74f-jg35","https://github.com/py-pdf/pypdf/security/advisories/GHSA-2rw7-x74f-jg35","https://nvd.nist.gov/vuln/detail/CVE-2026-27628","https://github.com/py-pdf/pypdf/issues/3654","https://github.com/py-pdf/pypdf/commit/f0a462d36971cf077d74492a348d0d06fd60ea4d","https://github.com/py-pdf/pypdf"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-2rw7-x74f-jg35","url":"https://osv.dev/vulnerability/GHSA-2rw7-x74f-jg35"},{"source":"nvd","source_id":"CVE-2026-27628","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-27628"}],"summary":"pypdf has a possible infinite loop when loading circular /Prev entries in cross-reference streams"}