{"id":"CVE-2026-79313","title":"webpy web.py 0.76 is vulnerable to Insufficient Session Expiration","summary":"webpy web.py 0.76 is vulnerable to Insufficient Session Expiration. The application's session management relies on periodic cleanup to expire sessions instead of checking the last-access time when a session is loaded. As a result, an exp…","severity":"critical","cvss":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-613"],"published":"2026-09-22","updated":"2026-09-22","sourceUpdated":"2026-09-22T20:17:08.790","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-79313","references":[{"url":"https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79313.md","label":"cve@mitre.org"},{"url":"https://github.com/webpy/webpy","label":"cve@mitre.org"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79313.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-79313"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79313"}],"tags":["nvd","cve.org","csaf","vex","red-hat","score-dispute"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"total","timestamp":"2026-09-22T19:17:08.146478Z"},"ingestedAt":"2026-09-22T15:05:01.082Z","epss":0.00382,"epssPercentile":0.32005,"vendor":"Red Hat","scores":{"nvd":9.8,"vendor":7.1},"slug":"CVE-2026-79313","body":"## Overview\n\nwebpy web.py 0.76 is vulnerable to Insufficient Session Expiration. The application's session management relies on periodic cleanup to expire sessions instead of checking the last-access time when a session is loaded. As a result, an expired session whose record has not yet been cleaned up can still be replayed and used, allowing an attacker holding a previously valid session cookie to continue accessing protected resources after the configured idle timeout.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-25 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-79313.json)","depth":"midnight","depthScore":54,"depthScoreParts":{"impact":53.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[{"seq":209359,"id":"CVE-2026-79313","ts":1790107879724,"field":"cvss","old":null,"new":"9.8"},{"seq":209358,"id":"CVE-2026-79313","ts":1790107879724,"field":"severity","old":"none","new":"critical"}]}