HIGHCVSS v3.1 7.1Vulnerability

CVE-2026-126662

Contao 4.0.0 before 5.3.54, 5.4.0 before 5.7.17, and 6.0.0 before 6.0.6 contains an access control bypass vulnerability that allows filemount-restricted backend users to modify folders outside their filemount via the file manager Edit-Multiple operation. Attackers holding the protected or syncExclude field permission can submit outside folder paths in the IDS parameter to publish protected folders or exclude them from DBAFS synchronization, exposing files for public download.

Properties

Severity
HIGH
Nvd fetched at
2026-11-11T23:49:45.533241+00:00
Cvss severity
HIGH
Cvss score
7.1
Retrieved at
2026-11-11T23:50:18+00:00
Score
7.1
Cvss version
3.1
Last source
NVD
Cve id
CVE-2026-126662
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
First seen by Signal
2026-11-11T15:41:39+00:00
Name
CVE-2026-126662
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Published at
2026-11-11T13:17:24.337
Last modified
2026-11-11T13:17:24.467

Related Entities (1)

HAS_WEAKNESS (1)

Related research

Explore deeper with Ninja Signal's threat intelligence graph

CVE-2026-126662 (CVSS v3.1 7.1) — Ninja Signal Threat Intelligence | Ninja Signal