{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-119335", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-10-29T20:44:30.285Z", "datePublished": "2026-10-30T20:03:32.975Z", "dateUpdated": "2026-10-30T20:03:32.975Z"}, "containers": {"cna": {"title": "Pi-hole: Local privilege escalation from `pihole` user to root via CVE-2026-41489 fix bypass", "problemTypes": [{"descriptions": [{"cweId": "CWE-78", "lang": "en", "description": "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/pi-hole/pi-hole/security/advisories/GHSA-cf36-4hhc-8398", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/pi-hole/pi-hole/security/advisories/GHSA-cf36-4hhc-8398"}, {"name": "https://github.com/pi-hole/pi-hole/pull/6719", "tags": ["x_refsource_MISC"], "url": "https://github.com/pi-hole/pi-hole/pull/6719"}, {"name": "https://github.com/pi-hole/pi-hole/commit/555dd4d8b3699327fbba482bb73cce5f53979bd1", "tags": ["x_refsource_MISC"], "url": "https://github.com/pi-hole/pi-hole/commit/555dd4d8b3699327fbba482bb73cce5f53979bd1"}, {"name": "https://github.com/pi-hole/pi-hole/releases/tag/v6.5", "tags": ["x_refsource_MISC"], "url": "https://github.com/pi-hole/pi-hole/releases/tag/v6.5"}], "affected": [{"vendor": "pi-hole", "product": "pi-hole", "versions": [{"version": "< 6.5", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-10-30T20:03:32.975Z"}, "descriptions": [{"lang": "en", "value": "Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, advanced/Scripts/utils.sh getFTLPID() attempts to validate the pihole-owned /run/pihole-FTL.pid file with expr \"${FTL_PID}\" : \"[^[:digit:]]\", but this rejects only values whose first character is not a digit. An attacker with code execution as the pihole user can write a digit-prefixed arithmetic expression to the pihole-owned PID file. Root-run pihole subcommands then evaluate [[ \"$pid\" -eq \"-1\" ]], causing Bash to recursively evaluate array subscripts and execute command substitution as root. This bypasses the content-validation portion of the CVE-2026-41489 remediation while leaving its hardcoded PID-file path protection intact. This issue is fixed in version 6.5."}], "source": {"advisory": "GHSA-cf36-4hhc-8398", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "pi-hole", "vendor": "pi-hole", "versions": [{"status": "affected", "version": "< 6.5"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Prior to 6.5, advanced/Scripts/utils.sh getFTLPID() attempts to validate the pihole-owned /run/pihole-FTL.pid file with expr \"${FTL_PID}\" : \"[^[:digit:]]\", but this rejects only values whose first character is not a digit. An attacker with code execution as the pihole user can write a digit-prefixed arithmetic expression to the pihole-owned PID file. Root-run pihole subcommands then evaluate [[ \"$pid\" -eq \"-1\" ]], causing Bash to recursively evaluate array subscripts and execute command substitution as root. This bypasses the content-validation portion of the CVE-2026-41489 remediation while leaving its hardcoded PID-file path protection intact. This issue is fixed in version 6.5."}], "id": "CVE-2026-119335", "lastModified": "2026-10-30T20:17:08.137", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-10-30T20:17:08.137", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/pi-hole/pi-hole/commit/555dd4d8b3699327fbba482bb73cce5f53979bd1"}, {"source": "security-advisories@github.com", "url": "https://github.com/pi-hole/pi-hole/pull/6719"}, {"source": "security-advisories@github.com", "url": "https://github.com/pi-hole/pi-hole/releases/tag/v6.5"}, {"source": "security-advisories@github.com", "url": "https://github.com/pi-hole/pi-hole/security/advisories/GHSA-cf36-4hhc-8398"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-78"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}