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OpenAdvisories

Weakness (CWE)

CWE-42: Path Equivalence: 'filename.' (Trailing Dot)

Variant Incomplete

The product accepts path input in the form of trailing dot ('filedir.') without appropriate validation, which can lead to ambiguous path resolution and allow an attacker to traverse the file system to unintended locations or access arbitrary files.

Source: MITRE CWE-42

All Critical High Medium Low Exploited only Public exploit

2 results · Feed

  • High 7.8
    CVE-2026-52884

    Notepad++: CVE-2026-48800 Bypass

    Notepad++ is a free and open-source source code editor. In v8.9.6.1, isInTrustedDirectory() does NOT canonicalize the path before checking. It uses a prefix-based check (PathIsPrefix() or equivalent) that matches paths starting with trusted directory strings.…

    notepad-plus-plus notepad-plus-plus
  • Medium 6.3
    CVE-2021-21682

    Improper handling of equivalent directory names on Windows in Jenkins

    Jenkins 2.314 and earlier, LTS 2.303.1 and earlier accepts names of jobs and other entities with a trailing dot character, potentially replacing the configuration and data of other entities on Windows.

    Jenkins Project Jenkins org.jenkins-ci.main:jenkins-core Web / CMS Maven