CVE-2026-13014

CRITICAL

Thales CERT Suspicious <= 1.3.4 - Unauthenticated Remote Code Execution

Title source: manual
STIX 2.1

Description

A vulnerability in Thales CERT "Suspicious" application =< 1.3.4 allows a remote and unauthenticated attacker to execute arbitrary code and arbitrarily overwrite writable application files—including Python modules, configuration files, cron inputs, and runtime artifacts—leading to a persistent denial of service, the potential compromise of application secrets or integrations, and root-level execution inside the Django application container. This vulnerability has been names "Matryoshka Mail". Thales PSIRT acknowledges and thanks Lucien Doustaly (aka wlayzz) for discovering and reporting this issue.

Scores

CVSS v4 9.2
EPSS 0.0047
EPSS Percentile 38.2%
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-22 CWE-73 CWE-94
Status published
Products (1)
Thales CERT/Suspicious v1.2.0 - v1.3.4
Published Jul 13, 2026
Tracked Since Jul 13, 2026