CWE-42
Path Equivalence: 'filename.' (Trailing Dot)
Description
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.
Hierarchy (View 1000)
CVEs mapped to this weakness (2)
| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2021-21682 | Med | 0.21 | 4.3 | 0.01 | Oct 6, 2021 | 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. | ||
| CVE-2026-52884 | Hig | 0.00 | 7.8 | 0.00 | Jun 26, 2026 | 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. A path traversal… |
- risk 0.21cvss 4.3epss 0.01
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.
- risk 0.00cvss 7.8epss 0.00
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. A path traversal…