{"id":"CVE-2026-44693","aliases":["EUVD-2026-36194","GHSA-9ff5-f3v5-2xc7"],"status":"published","title":"Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer","description":"Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00293,"percentile":0.2211,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-362"],"published":"2026-06-10T22:11:29Z","modified":"2026-10-28T02:30:44Z","products":[{"vendor":"pi-hole","product":"ftl"}],"references":[{"url":"https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7","tags":["x_refsource_CONFIRM","exploit","advisory"]},{"url":"https://github.com/pi-hole/FTL/releases/tag/v6.6.1","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44693.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44693","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-44693","title":"Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer","description":"Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.","status":"published","published":"2026-06-10T22:11:29.237Z","modified":"2026-06-12T03:55:28.698Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T13:42:49.132798Z"}],"euvd":[{"id":"EUVD-2026-36194","description":"Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.","status":"published","published":"2026-06-10T22:11:29Z","modified":"2026-06-12T03:55:28Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:20:43.577088Z"}],"nvd":[{"id":"CVE-2026-44693","description":"Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.","status":"published","published":"2026-06-10T23:16:46.69Z","modified":"2026-07-23T09:10:00.113Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T14:12:23.485267Z"}],"osv":[{"id":"CVE-2026-44693","title":"Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer","description":"Pi-hole FTL is the core engine of the Pi-hole network-level advertisement and tracker blocker. Prior to version 6.6.1, Pi-hole FTL contains a race condition vulnerability in the HTTP session management subsystem, introduced with the v6.0 rewrite of the embedded CivetWeb-based web server. This issue has been patched in version 6.6.1.","status":"published","published":"2026-06-10T22:11:29.237Z","modified":"2026-10-28T02:30:44.523329781Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-362"],"updated_at":"2026-11-02T15:45:05.172514Z"}]}}