{"id":"CVE-2026-25101","aliases":["EUVD-2026-16581","GHSA-fjj5-fj78-h28j"],"status":"published","title":"Session Fixation in Bludit","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","severity":{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0037,"percentile":0.31194,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-384"],"published":"2026-03-27T11:55:08Z","modified":"2026-10-28T02:30:48Z","products":[{"vendor":"bludit","product":"bludit"}],"references":[{"url":"https://cert.pl/posts/2026/03/CVE-2026-25099","tags":["third-party-advisory","Third Party Advisory","advisory"]},{"url":"https://github.com/bludit/bludit/releases/tag/3.17.2","tags":["release-notes","Release Notes","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-25101","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-fjj5-fj78-h28j"},{"url":"https://github.com","tags":["web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/25xxx/CVE-2026-25101.json","tags":["advisory"]},{"url":"https://github.com/bludit/bludit","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2026-25101","title":"Session Fixation in Bludit","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","status":"published","published":"2026-03-27T11:55:08.924Z","modified":"2026-03-27T12:44:09.658Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T13:41:30.911526Z"}],"euvd":[{"id":"EUVD-2026-16581","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","status":"published","published":"2026-03-27T11:55:08Z","modified":"2026-03-27T12:44:09Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T19:25:27.67679Z"}],"ghsa":[{"id":"GHSA-fjj5-fj78-h28j","title":"Bludit allows user's session identifier to be set before authentication. The value of this...","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","status":"published","published":"2026-03-27T12:31:06Z","modified":"2026-04-02T21:32:49Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"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-384"],"updated_at":"2026-11-02T15:07:07.245635Z"}],"nvd":[{"id":"CVE-2026-25101","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","status":"published","published":"2026-03-27T12:16:20.203Z","modified":"2026-06-17T10:24:06.727Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"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":"primary"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T14:12:11.678711Z"}],"osv":[{"id":"CVE-2026-25101","title":"Session Fixation in Bludit","description":"Bludit allows user's session identifier to be set before authentication. The value of this session ID stays the same after authentication. This behavior enables an attacker to fix a session ID\nfor a victim and later hijack the authenticated session.\n\nThis issue was fixed in version 3.17.2.","status":"published","published":"2026-03-27T11:55:08.924Z","modified":"2026-10-28T02:30:48.768960143Z","cvss":[{"version":"4.0","score":4.8,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"cwes":["CWE-384"],"updated_at":"2026-11-02T15:44:59.438965Z"}]}}