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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.

PUBLISHED Reserved 2026-06-23 | Published 2026-07-13 | Updated 2026-07-13 | Assigner THA-PSIRT




CRITICAL: 9.2CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Problem types

CWE-22 Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CWE-73 External control of file name or path

CWE-94 Improper Control of Generation of Code

Product status

Default status
unaffected

v1.2.0 (git)
affected

References

github.com/...icious/security/advisories/GHSA-x85x-9mrm-wwvp

cve.org (CVE-2026-13014)

nvd.nist.gov (CVE-2026-13014)

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