Vulnerability record

CVE-2026-103522

Severity: HighExploitation: No known exploitation

Patch status

No official fix confirmed yet

Until a fix ships, follow the vendor's mitigations, limit exposure of affected systems, and watch this record for a patch.

Description

In Thelia v2.6.0, the store banner upload feature performs insufficient filetype validation that relies exclusively on client‑supplied MIME types. An attacker with administrative access can upload a PHP file disguised as an image to bypass validation and achieve remote code execution on the underlying server.

Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.

Intelligence timeline

Developments from the last 30 days, newest first.

  1. CVSS scoredUpdate

    CVE-2026-103522 scored CVSS 7.2

    Basis: NIST National Vulnerability Database

Coverage

References