{"id":"CVE-2026-44693","summary":"Pi-hole FTL: Unauthenticated Session Hijacking via Race Condition on Global Session Buffer","details":"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.","aliases":["GHSA-9ff5-f3v5-2xc7"],"modified":"2026-07-08T08:13:28.020782585Z","published":"2026-06-10T22:11:29.237Z","database_specific":{"cna_assigner":"GitHub_M","cwe_ids":["CWE-362"],"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44693.json"},"references":[{"type":"WEB","url":"https://github.com/pi-hole/FTL/releases/tag/v6.6.1"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/44xxx/CVE-2026-44693.json"},{"type":"ADVISORY","url":"https://github.com/pi-hole/FTL/security/advisories/GHSA-9ff5-f3v5-2xc7"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-44693"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pi-hole/ftl","events":[{"introduced":"0"},{"fixed":"e1b4c1d52ca5aa511a5c325f6b34984705f25bf4"}],"database_specific":{"source":["AFFECTED_FIELD","REFERENCES"],"extracted_events":[{"introduced":"0"},{"fixed":"6.6.1"}]}}],"versions":["v6.6","v6.5","v6.4.1","v6.3.3","v6.3.2","v6.3.1","v6.3","v6.2.3","v6.2.2","v6.2.1","v6.2","v6.1","v6.0.4","v6.0.3","v6.0.2","v6.0.1","v6.0","v5.25.2","v5.25.1","v5.25","v5.24","v5.23","v5.22","v5.21","v5.20.1","v5.20","v5.19.2","v5.19.1","v5.19","v5.18.2","v5.18.1","v5.18","v5.17","v5.16.3","v5.16.2","v5.16.1","v5.16","v5.15","v5.14","v5.13","v5.12.1","v5.12","v5.11","v5.10.2","v5.10.1","v5.10","v5.9","v5.8.1","v5.8","v5.7","v5.6","v5.5.1","v5.5","v5.4","v5.3.4","v5.3.3","v5.3.2","v5.3.1","v5.3","v5.2","v5.1","v5.0","v4.3.1","v4.3","v4.2.3","v4.2.2","v4.2.1","v4.2","v4.1.2","v4.1.1","v4.1","v4.0","v3.0","v2.13.2","v2.13.1","v2.13","v2.12","v2.11.1","v2.11","v2.10","v2.9.4","v2.9.3","v2.9.2","v2.9.1","v2.9","v2.8","v2.7.4","v2.7.3","v2.7.2","v2.7.1","v2.7","v2.6.2","v2.6.1","v2.6","v2.5","v2.4.1","v2.4","v2.3.1","v2.3","v2.2","v2.1","v2.0","v1.11.1","v1.11","v1.10.3","v1.10.2","v1.10.1","v1.10","v1.9","v1.8","v1.7","v1.6","v1.5.1","v1.5","v1.4","v1.3.1","v1.3","v1.2.1","v1.2","v1.1","v1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-44693.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}