CVE-2026-55878
7.8
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Summary
Symfony UX is a JavaScript ecosystem for Symfony. From 2.32.0 before 2.36.1 and from 3.0.0 before 3.2.0, the ux:install console command installs files from a recipe kit by copying paths listed in a copy-files map, and because Path::isRelative() accepts paths like ../../../etc, a crafted or compromised kit can write attacker-controlled content to arbitrary locations or read local files outside the recipe directory. This issue is fixed in versions 2.36.1 and 3.2.0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| symfony | ux | >= 2.32.0, < 2.36.1 | affected |
| symfony | ux | >= 3.0.0, < 3.2.0 | affected |
Weaknesses
- CWE-22: CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
References
- https://github.com/symfony/ux/security/advisories/GHSA-p9xj-fpr2-jf2q
- https://github.com/symfony/ux/commit/7b4ddf3764bf269a1b5fde5bf03c4bce568694e4
- https://github.com/symfony/ux/releases/tag/v2.36.1
- https://github.com/symfony/ux/releases/tag/v3.2.0
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