{"action":"Upgrade python to 3.10.22 (3.10.x), 3.11.17 (3.11.x), 3.12.15 (3.12.x), 3.13.16 (3.13.x) or 3.14.8 (3.14.x) or later.","affected":[{"fixed":"3.10.22","introduced":"0"},{"fixed":"3.11.17","introduced":"3.11.0"},{"fixed":"3.12.15","introduced":"3.12.0"},{"fixed":"3.13.16","introduced":"3.13.0"},{"fixed":"3.14.8","introduced":"3.14.0"}],"component":"python","cve_ids":["CVE-2026-19553"],"ecosystem":"python","exploited":false,"fixed_versions":["3.10.22","3.11.17","3.12.15","3.13.16","3.14.8"],"id":"tcs_01M5JTN44SXE511V3CJHVSKSZA","modified_at":"2026-10-01T00:44:45Z","published_at":"2026-09-30T16:17:39Z","references":["https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-44.json","https://mail.python.org/archives/list/security-announce@python.org/thread/QNZRG3YOAMTHDCMVCICXGY6YEFPY2VDL/","https://www.cve.org/CVERecord?id=CVE-2026-19553"],"severity":{"label":"high","score":7.6},"sources":[{"source":"python-runtime","source_id":"PSF-2026-44","url":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2026-44.json"}],"summary":"SSLContext.wrap_bio() missing validation of server_hostname parameter"}