{"id":"CVE-2026-0859","summary":"TYPO3 CMS Allows Insecure Deserialization via Mailer File Spool","details":"TYPO3's mail‑file spool deserialization flaw lets local users with write access to the spool directory craft a malicious file that is deserialized during the mailer:spool:send command, enabling arbitrary PHP code execution on the web server. This issue affects TYPO3 CMS versions 10.0.0-10.4.54, 11.0.0-11.5.48, 12.0.0-12.4.40, 13.0.0-13.4.22 and 14.0.0-14.0.1.","aliases":["GHSA-7vp9-x248-9vr9"],"modified":"2026-08-27T03:30:47.352855785Z","published":"2026-01-13T11:54:11.494Z","database_specific":{"cna_assigner":"TYPO3","cwe_ids":["CWE-502"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0859.json","unresolved_ranges":[{"source":"AFFECTED_FIELD","extracted_events":[{"introduced":"10.0.0"},{"fixed":"10.4.55"},{"introduced":"11.0.0"},{"fixed":"11.5.49"}]}]},"references":[{"type":"WEB","url":"https://packagist.org"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/0xxx/CVE-2026-0859.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0859"},{"type":"ADVISORY","url":"https://typo3.org/security/advisory/typo3-core-sa-2026-004"},{"type":"FIX","url":"https://github.com/TYPO3/typo3/commit/3225d705080a1bde57a66689621c947da5a4782f"},{"type":"FIX","url":"https://github.com/TYPO3/typo3/commit/722bf71c118b0a8e4f2c2494854437d846799a13"},{"type":"FIX","url":"https://github.com/TYPO3/typo3/commit/e0f0ceee480c203fbb60b87454f5f193e541d27f"},{"type":"PACKAGE","url":"https://github.com/TYPO3/typo3"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/benjaminkott/bootstrap_package","events":[{"introduced":"a9914eb78915ee33a47e4317637b3b03a692fe58"},{"fixed":"ee7b28acd9e8b5f0c6eae34f67a67bcc68e0dc96"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"14.0.0"},{"fixed":"14.0.2"}]}},{"type":"GIT","repo":"https://github.com/typo3/typo3","events":[{"introduced":"36096733dea4bd6f6168209609fa879dc25c0138"},{"fixed":"29ccb6fc4887fcb0f0ceac5bfd24d4993176c412"},{"introduced":"fd8745e46bb11773e85524b8ee9650dabe340713"},{"fixed":"ef75ec889ef10324e61df83ff994db67c4d45255"},{"introduced":"6d6bd23afff6a48ee3efeaa68eb829820397d6a1"},{"fixed":"62e93122ec75943aba5553b0aa1c6a50c4ccc27f"},{"fixed":"3225d705080a1bde57a66689621c947da5a4782f"},{"fixed":"722bf71c118b0a8e4f2c2494854437d846799a13"},{"fixed":"e0f0ceee480c203fbb60b87454f5f193e541d27f"}],"database_specific":{"extracted_events":[{"introduced":"12.0.0"},{"fixed":"12.4.41"},{"introduced":"13.0.0"},{"fixed":"13.4.23"},{"introduced":"14.0.0"},{"fixed":"14.0.2"}],"source":["CPE_RANGE","REFERENCES"],"cpe":"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*"}}],"versions":["14.0.1","14.0.0","v13.4.22","v12.4.40","v13.4.21","v14.0.1","v14.0.0","v13.4.20","v12.4.39","v13.4.19","v12.4.38","v13.4.18","v12.4.37","v12.4.36","v13.4.17","v13.4.16","v12.4.35","v13.4.15","v12.4.34","v13.4.14","v12.4.33","v13.4.13","v12.4.32","v13.4.12","v12.4.31","v13.4.11","v12.4.30","v13.4.10","v12.4.29","v13.4.9","v13.4.8","v12.4.28","v13.4.7","v13.4.6","v13.4.5","v12.4.27","v13.4.4","v12.4.26","v13.4.3","v12.4.25","v13.4.2","v12.4.24","v13.4.1","v12.4.23","v12.4.22","v13.4.0","v12.4.21","v13.3.0","v12.4.20","v12.4.19","v12.4.18","v12.4.17","v13.2.1","v13.2.0","v12.4.16","v12.4.15","v13.1.0","v12.4.14","v12.4.13","v12.4.12","v12.4.11","v13.0.0","v12.4.10","v12.4.9","v12.4.8","v12.4.7","v12.4.6","v12.4.5","v12.4.4","v12.4.3","v12.4.2","v12.4.1","v12.4.0","v12.3.0","v12.2.0","v12.1.0","v12.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-0859.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:L/VA:N/SC:H/SI:H/SA:H"}]}