CVE-2026-42496 (GCVE-0-2026-42496)

Vulnerability from cvelistv5 – Published: 2026-05-26 00:17 – Updated: 2026-06-30 02:41
VLAI
Title
Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory
Summary
Archive::Tar versions before 3.08 for Perl extract symlinks with attacker controlled targets outside the extraction directory. _make_special_file() passes the tar header's linkname to symlink() without validating it against absolute paths or .. segments. The secure-extract mode check that guards regular file extraction does not cover the symlink target. A subsequent open through the extracted name reads or writes the attacker chosen path.
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-59 - Improper Link Resolution Before File Access ('Link Following')
  • CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
Impacted products
Show details on NVD website

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