CVE-2026-100310
GNU libextractor before 1.16 loads plugins from an untrusted search path specified by the LIBEXTRACTOR_PREFIX environment variable without p
CVSS
7.0
High
EPSS
0.1%
p3
KEV
—
Exploit Today
1
0-100
Published: Sep 25, 2026 · Last modified: Sep 30, 2026 · CWE-426
0.1%EPSS · 30 days0.1%
2026-09-262026-10-25
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.
- ftp.gnu.orghttps://ftp.gnu.org/gnu/libextractor/
- git.gnunet.orghttps://git.gnunet.org/gnunet/libextractor/commit/6edfa653c048800e24a17f7e8cc2bb42659b8d01.html
- github.comhttps://github.com/Haitam-lazaar/libextractor-privesc
- www.gnu.orghttps://www.gnu.org/software/libextractor/
- www.vulncheck.comhttps://www.vulncheck.com/advisories/gnu-libextractor-before-1.16-privilege-escalation-via-libextractor-prefix
- www.openwall.comhttp://www.openwall.com/lists/oss-security/2026/09/25/25
CVECVSSEPSSKEVRExploitTitleMod.
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