{"id":"CVE-2026-79313","aliases":["DEBIAN-CVE-2026-79313","EUVD-2026-84490","GHSA-qxcc-j254-vh2v","UBUNTU-CVE-2026-79313"],"status":"published","title":"webpy web.py 0.76 is vulnerable to Insufficient Session Expiration. The application's session...","description":"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 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.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00382,"percentile":0.32454,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-613"],"published":"2026-09-22T00:00:00Z","modified":"2026-10-17T12:57:05Z","affected":[{"source":"osv","ecosystem":"Debian:12","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-4","1:0.62-4+deb12u1","1:0.62-5","1:0.62-6","1:0.70-1","1:0.76-1"]},{"source":"osv","ecosystem":"Debian:13","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-6","1:0.70-1","1:0.76-1"]},{"source":"osv","ecosystem":"Debian:14","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-6","1:0.70-1","1:0.76-1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.37+20120626-1","1:0.37+20120626-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.38-1","1:0.38+20170615-1","1:0.38+20170615-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:20.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.39+20181101-1","1:0.40-2","1:0.40-2ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:22.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.61-1","1:0.61-1ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:Pro:24.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-4","1:0.62-4ubuntu0.1~esm1"]},{"source":"osv","ecosystem":"Ubuntu:26.10","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-6","1:0.70-1","1:0.76-1"]},{"source":"osv","ecosystem":"Ubuntu:26.04:LTS","package":"webpy","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1:0.62-6"]}],"references":[{"url":"https://github.com/webpy/webpy","tags":["report"]},{"url":"https://github.com/lichoin/TraceLoom/blob/main/CVEs/CVE-2026-79313.md","tags":["report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-79313"},{"url":"https://github.com/advisories/GHSA-qxcc-j254-vh2v"},{"url":"https://security-tracker.debian.org/tracker/CVE-2026-79313","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-79313","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-79313","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2026-79313","description":"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 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.","status":"published","published":"2026-09-22T00:00:00Z","modified":"2026-09-22T19:17:42.656Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T13:50:38.739766Z"}],"euvd":[{"id":"EUVD-2026-84490","description":"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 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.","status":"published","published":"2026-09-22T00:00:00Z","modified":"2026-09-22T19:17:42Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T17:28:01.71506Z"}],"ghsa":[{"id":"GHSA-qxcc-j254-vh2v","title":"webpy web.py 0.76 is vulnerable to Insufficient Session Expiration. The application's session...","description":"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 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.","status":"published","published":"2026-09-22T15:32:40Z","modified":"2026-09-22T21:31:17Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T15:12:18.539197Z"}],"nvd":[{"id":"CVE-2026-79313","description":"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 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.","status":"published","published":"2026-09-22T15:17:15.467Z","modified":"2026-09-22T20:17:08.79Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-613"],"updated_at":"2026-11-02T14:12:50.368368Z"}],"osv":[{"id":"DEBIAN-CVE-2026-79313","description":"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 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.","status":"published","published":"2026-09-22T15:17:15.467Z","modified":"2026-09-24T00:00:07.018928017Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:46:04.001673Z"},{"id":"UBUNTU-CVE-2026-79313","description":"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 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.","status":"published","published":"2026-09-22T15:17:00Z","modified":"2026-10-17T12:57:05.507997945Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T16:57:18.015985Z"}]}}