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CVE-2026-107248

8.8 high SSVC exploitation: none Deferred
NVD · CVE.org

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.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. CwesCWE-94, CWE-1336NVD modified 2026-10-15 18:17
  2. CVSS8.8 (v3.1, CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)NVD modified 2026-10-15 18:17
  3. First seenunscoredNVD modified 2026-10-13 13:51

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 1