What is CVE-2026-42496?

CVE-2026-42496 is a critical-severity vulnerability in Archive\ \, classified under Improper Link Resolution Before File Access. CVSS score: 9.1/10. Published 2026-05-26.

How severe is CVE-2026-42496?

Critical severity. CVSS v3 base score is 9.1 out of 10.

Vulnerability in Archive\ \

CVE-2026-42496

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…

EPSS: 0.001 (16.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N.

Affected products

Archive\ \ — versions tar_project
Bingos Archive::tar — versions 0

Weakness classification (CWE)

CWE-59 — Improper Link Resolution Before File Access

References

9b29abf9-4ab0-4765-b253-1875cd9b441e (Patch, patch)
9b29abf9-4ab0-4765-b253-1875cd9b441e (release-notes, Release Notes)
9b29abf9-4ab0-4765-b253-1875cd9b441e (related, Third Party Advisory)

Frequently asked questions

What is CVE-2026-42496?: CVE-2026-42496 is a critical-severity vulnerability in Archive\ \, classified under Improper Link Resolution Before File Access. CVSS score: 9.1/10. Published 2026-05-26.
How severe is CVE-2026-42496?: Critical severity. CVSS v3 base score is 9.1 out of 10.