Thelia 3.0.0's back-office Email/Messages feature contains a server‑side template injection (SSTI) flaw that allows any authenticated user with the “Messages” permission to supply unsandboxed Twig templates, which are then compiled and executed as raw code. By modifying Message content, an attacker can execute arbitrary PHP functions, read sensitive files, and potentially write to the filesystem, leading to full compromise of the application and underlying host. This vulnerability has been patched in thelia/twig-engine-module 1.0.9.
References
History

Thu, 15 Oct 2026 18:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-1336
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Tue, 13 Oct 2026 07:45:00 +0000

Type Values Removed Values Added
First Time appeared Thelia
Thelia thelia
Vendors & Products Thelia
Thelia thelia

Mon, 12 Oct 2026 17:00:00 +0000

Type Values Removed Values Added
Weaknesses CWE-94

Mon, 12 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description Thelia 3.0.0's back-office Email/Messages feature contains a server‑side template injection (SSTI) flaw that allows any authenticated user with the “Messages” permission to supply unsandboxed Twig templates, which are then compiled and executed as raw code. By modifying Message content, an attacker can execute arbitrary PHP functions, read sensitive files, and potentially write to the filesystem, leading to full compromise of the application and underlying host. This vulnerability has been patched in thelia/twig-engine-module 1.0.9.
Title CVE-2026-107248
References

cve-icon MITRE

Status: PUBLISHED

Assigner: certcc

Published: 2026-10-12T15:06:55.302Z

Updated: 2026-10-15T17:07:20.054Z

Reserved: 2026-10-07T15:19:06.002Z

Link: CVE-2026-107248

cve-icon Vulnrichment

Updated: 2026-10-15T17:07:16.499Z

cve-icon NVD

Status : Deferred

Published: 2026-10-12T16:17:03.203

Modified: 2026-10-15T18:17:24.270

Link: CVE-2026-107248

cve-icon Redhat

No data.