VULNERABILITY INTELLIGENCE

CVE-2019-3902

CVSS score5.1 MEDIUM
EPSS probability1.37%
CISA KEVNot currently listed
Published2019-04-22
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Description

A flaw was found in Mercurial before 4.9. It was possible to use symlinks and subrepositories to defeat Mercurial's path-checking logic and write files outside a repository.

Weakness classification

  • CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
  • CWE-59: Improper Link Resolution Before File Access ('Link Following')

Primary references