CVE-2026-13014

CRITICALPre-NVD 9.29.2—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.2 under a secondary CVSS source (NVD's own analysis pending). EPSS exploit probability: 0.5%, top 62% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, secondary
Trending — 3 sources updated this week
9.2
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 9.2Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
9.2
EG Score
9.2(medium)
EPSS
37.6%
KEV
Not listed

Published

July 13, 2026

Last Modified

July 13, 2026

Advisory Details (1)

Auto-updated Jul 13, 2026
Patch available. Sources: github.
github Patch Available

Matryoshka Mail: Nested Attachment Traversal to RCE · Advisory · thalesgroup-cert/suspicious · GitHub

https://github.com/thalesgroup-cert/suspicious/security/advisories/GHSA-x85x-9mrm-wwvp

Weakness Classification(3)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 22× in last 7d / 22× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-16 00:51 UTCEG score recompute
  2. 2026-07-15 21:09 UTCEG score recompute
  3. 2026-07-15 17:27 UTCEG score recompute
  4. 2026-07-15 16:57 UTCEPSS rescore
  5. 2026-07-15 13:39 UTCEG score recompute
  6. 2026-07-15 09:56 UTCEG score recompute
  7. 2026-07-15 06:13 UTCEG score recompute
  8. 2026-07-15 02:32 UTCEG score recompute
  9. 2026-07-15 02:00 UTCEPSS rescore
  10. 2026-07-14 22:51 UTCEG score recompute
  11. 2026-07-14 19:09 UTCEG score recompute
  12. 2026-07-14 15:27 UTCEG score recompute
  13. 2026-07-14 11:44 UTCEG score recompute
  14. 2026-07-14 08:03 UTCEG score recompute
  15. 2026-07-14 04:22 UTCEG score recompute
  16. 2026-07-14 00:39 UTCEG score recompute
  17. 2026-07-13 22:30 UTCEPSS rescore
  18. 2026-07-13 20:58 UTCEG score recompute
  19. 2026-07-13 17:17 UTCEG score recompute
  20. 2026-07-13 13:34 UTCEG score recompute
  21. 2026-07-13 09:53 UTCEG score recompute
  22. 2026-07-13 09:52 UTCMITRE cvelistV5first tracked

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Frequently asked(5)

What is CVE-2026-13014?
CVE-2026-13014 is a critical vulnerability published on July 13, 2026. 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…
When was CVE-2026-13014 disclosed?
CVE-2026-13014 was first published in the National Vulnerability Database on July 13, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-13014 actively exploited?
CVE-2026-13014 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 37.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-13014?
CVE-2026-13014 has a CVSS v3 base score of 9.2 (NVD).
How do I remediate CVE-2026-13014?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-13014, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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