{"id":"CVE-2026-119334","aliases":["EUVD-2026-114437","GHSA-g63w-24cr-p3w6"],"status":"published","title":"Pi-hole: file:// adlist read check and curl can resolve different files","description":"Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, gravity.sh checks file:// adlist readability with sudo -u pihole test -r but then allows curl, sometimes running as root, to normalize URL dot segments and open a different file. A pihole-readable decoy can therefore pass the check while curl reads a root-only target, and /proc/self paths can similarly resolve against different processes. Exploitation requires an administrator who can add adlists and can place a symlink and decoy on the filesystem. This issue is fixed in version 6.5.","severity":{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00343,"percentile":0.28189,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-59"],"published":"2026-10-30T20:01:59Z","modified":"2026-11-04T02:30:58Z","products":[{"vendor":"pi-hole","product":"pi-hole"}],"references":[{"url":"https://github.com/pi-hole/pi-hole/security/advisories/GHSA-g63w-24cr-p3w6","tags":["x_refsource_CONFIRM","advisory"]},{"url":"https://github.com/pi-hole/pi-hole/pull/6719","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/pi-hole/pi-hole/commit/14554737be53c392abffc69677f6b9df02ae7971","tags":["x_refsource_MISC","fix"]},{"url":"https://github.com/pi-hole/pi-hole/releases/tag/v6.5","tags":["x_refsource_MISC","web"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/119xxx/CVE-2026-119334.json","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-119334","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-119334","title":"Pi-hole: file:// adlist read check and curl can resolve different files","description":"Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, gravity.sh checks file:// adlist readability with sudo -u pihole test -r but then allows curl, sometimes running as root, to normalize URL dot segments and open a different file. A pihole-readable decoy can therefore pass the check while curl reads a root-only target, and /proc/self paths can similarly resolve against different processes. Exploitation requires an administrator who can add adlists and can place a symlink and decoy on the filesystem. This issue is fixed in version 6.5.","status":"published","published":"2026-10-30T20:01:59.115Z","modified":"2026-11-02T14:59:33.186Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"cna"}],"cwes":["CWE-59"],"updated_at":"2026-11-02T18:00:08.034842Z"}],"euvd":[{"id":"EUVD-2026-114437","description":"Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, gravity.sh checks file:// adlist readability with sudo -u pihole test -r but then allows curl, sometimes running as root, to normalize URL dot segments and open a different file. A pihole-readable decoy can therefore pass the check while curl reads a root-only target, and /proc/self paths can similarly resolve against different processes. Exploitation requires an administrator who can add adlists and can place a symlink and decoy on the filesystem. This issue is fixed in version 6.5.","status":"published","published":"2026-10-30T20:01:59Z","modified":"2026-11-02T14:59:33Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"updated_at":"2026-11-02T16:58:44.835214Z"}],"nvd":[{"id":"CVE-2026-119334","description":"Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, gravity.sh checks file:// adlist readability with sudo -u pihole test -r but then allows curl, sometimes running as root, to normalize URL dot segments and open a different file. A pihole-readable decoy can therefore pass the check while curl reads a root-only target, and /proc/self paths can similarly resolve against different processes. Exploitation requires an administrator who can add adlists and can place a symlink and decoy on the filesystem. This issue is fixed in version 6.5.","status":"published","published":"2026-10-30T20:17:07.967Z","modified":"2026-11-02T19:14:53.03Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low","assessor":"secondary"}],"cwes":["CWE-59"],"updated_at":"2026-11-03T00:02:42.364722Z"}],"osv":[{"id":"CVE-2026-119334","title":"Pi-hole: file:// adlist read check and curl can resolve different files","description":"Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, gravity.sh checks file:// adlist readability with sudo -u pihole test -r but then allows curl, sometimes running as root, to normalize URL dot segments and open a different file. A pihole-readable decoy can therefore pass the check while curl reads a root-only target, and /proc/self paths can similarly resolve against different processes. Exploitation requires an administrator who can add adlists and can place a symlink and decoy on the filesystem. This issue is fixed in version 6.5.","status":"published","published":"2026-10-30T20:01:59.115Z","modified":"2026-11-04T02:30:58.121588468Z","cvss":[{"version":"3.1","score":2.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:L/I:N/A:N","level":"low"}],"cwes":["CWE-59"],"updated_at":"2026-11-04T02:54:44.889498Z"}]}}