{"schema_version":"1","data":[{"id":4070,"advisory_id":"5c35d88f-e14e-4dcf-a536-e48d958f1501","revision":1,"source_id":"core-cve","source_url":"https://www.cve.org/CVERecord?id=CVE-2026-100310","source_published_at":"2026-09-25T19:38:28.517+00:00","published_at":"2026-10-24T21:45:34.740432+00:00","extraction_method":"structured","technologies":["core-cve","libextractor"],"cve_ids":["CVE-2026-100310"],"event_types":["advisory"],"payload":{"kind":"advisory","title":"GNU libextractor before 1.16 Privilege Escalation via LIBEXTRACTOR_PREFIX","summary":"GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX environment variable without proper privilege checks. A local attacker can exploit this by setting LIBEXTRACTOR_PREFIX to a directory containing a malicious plugin that executes arbitrary code with elevated privileges when loaded by a setuid or setgid program.","evidence":"cve:CVE-2026-100310","products":[{"name":{"value":"libextractor","evidence":"/containers/cna/affected/0/product"},"prerequisites":[],"fixed_versions":[],"affected_versions":[]}],"severity":"high","structured":{"id":"CVE-2026-100310","aliases":["CVE-2026-100310"],"metrics":[{"format":"CVSS","cvssV4_0":{"version":"4.0","baseScore":7.3,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","userInteraction":"NONE","attackComplexity":"LOW","attackRequirements":"PRESENT","privilegesRequired":"LOW","subIntegrityImpact":"NONE","vulnIntegrityImpact":"HIGH","subAvailabilityImpact":"NONE","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"NONE","vulnConfidentialityImpact":"HIGH"}},{"format":"CVSS","cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7,"attackVector":"LOCAL","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"HIGH","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}}],"affected":[{"vendor":"GNU","product":"libextractor","versions":[{"status":"affected","version":"0","lessThan":"1.16","versionType":"custom"}],"defaultStatus":"unaffected"}],"modified":"2026-09-30T00:05:50.934Z","provider":"cve","references":["https://github.com/Haitam-lazaar/libextractor-privesc","https://git.gnunet.org/gnunet/libextractor/commit/6edfa653c048800e24a17f7e8cc2bb42659b8d01.html","https://ftp.gnu.org/gnu/libextractor/","https://www.gnu.org/software/libextractor/","https://www.vulncheck.com/advisories/gnu-libextractor-before-1.16-privilege-escalation-via-libextractor-prefix"],"provider_metadata":{"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/09/25/25"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-09-26T00:18:30.975Z"}},{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"id":"CVE-2026-100310","role":"CISA Coordinator","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"version":"2.0.3","timestamp":"2026-09-30T00:05:41.549904Z"}}}],"providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-09-30T00:05:50.934Z"}}],"cna":{"orgId":"83251b91-4cc7-4094-a5c7-464a1b83ea10","shortName":"VulnCheck","dateUpdated":"2026-09-25T19:38:28.517Z"}}},"related_cves":[{"value":"CVE-2026-100310","evidence":"/cveMetadata/cveId"}],"security_relevant":true,"severity_evidence":"/containers/cna/metrics"}}],"next_after":4070,"next_before":4070}