{"id":"CVE-2026-44693","state":"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.","publishedAt":"2026-06-10T22:11:29.237Z","updatedAt":"2026-06-12T03:55:28.698Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["pi-hole FTL"],"affected":[{"vendor":"pi-hole","product":"FTL","versions":[{"version":"< 6.6.1","status":"affected"}]}],"references":["https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7","https://github.com/pi-hole/FTL/releases/tag/v6.6.1"],"weaknesses":["CWE-362"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/44xxx/CVE-2026-44693.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-44693","state":"PUBLISHED","datePublished":"2026-06-10T22:11:29.237Z","dateUpdated":"2026-06-12T03:55:28.698Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-05-07T17:07:09.315Z"},"containers":{"cna":{"title":"Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"pi-hole","product":"FTL","versions":[{"version":"< 6.6.1","status":"affected"}]}],"references":[{"url":"https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7","name":"https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/pi-hole/FTL/releases/tag/v6.6.1","name":"https://github.com/pi-hole/FTL/releases/tag/v6.6.1","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-362","lang":"en","description":"CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-06-10T22:11:29.237Z"},"source":{"advisory":"GHSA-9ff5-f3v5-2xc7","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-06-11T00:00:00+00:00","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3","id":"CVE-2026-44693"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-06-12T03:55:28.698Z"}}]}}}