CVE-2025-13326

LOWNVD 3.93.9—
EchelonGraph scoreMEDIUM confidence

Score 3.9 from GitHub Security Advisory (severity: LOW) published 2025-12-17. NVD baseline CVSS 3.9; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
3.9
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
  • Lower severity and no public exploit yet
CISA-KEV: Not listedEPSS: 0%CVSS: 3.9Exploit: NoneExposed: 0

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

Mattermost Desktop App versions <6.0.0 fail to enable the Hardened Runtime on the Mattermost Desktop App when packaged for Mac App Store which allows an attacker to inherit TCC permissions via copying the binary to a tmp folder.

CVSS v3
3.9
EG Score
3.9(medium)
EG Risk
18(Track)
EG Risk 18/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity39% × 45%
Exploitation0% × 40%
Automatability0% × 15%
Action: Routine — remediate on your standard cadence.
EPSS
0.9%
KEV
Not listed

Published

December 17, 2025

Last Modified

December 18, 2025

References (1)

Weakness Classification(1)

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

Data Freshness Timeline

(refreshed 8× in last 7d / 34× 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. 2026-07-23 02:48 UTCEG score recompute
  2. 2026-07-22 14:07 UTCEPSS rescore
  3. 2026-07-22 14:07 UTCEPSS rescore
  4. 2026-07-19 02:28 UTCEPSS rescore
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  15. 2026-07-11 08:26 UTCEPSS rescore
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  17. 2026-07-09 19:09 UTCEPSS rescore
  18. 2026-07-08 15:14 UTCEPSS rescore
  19. 2026-07-07 13:45 UTCEPSS rescore
  20. 2026-07-06 16:26 UTCEPSS rescore
  21. 2026-07-06 07:41 UTCOSV refresh
  22. 2026-07-04 06:30 UTCEPSS rescore
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  1. 2026-06-28 14:07 UTCEPSS rescore
  2. 2026-06-28 04:55 UTCEPSS rescore
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  5. 2026-06-25 13:49 UTCEPSS rescore
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  7. 2026-06-24 14:04 UTCEPSS rescore
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  9. 2026-06-23 21:32 UTCEPSS rescore
  10. 2026-06-21 01:59 UTCEPSS rescore
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  12. 2026-06-18 17:52 UTCEPSS rescore
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  14. 2026-06-17 19:14 UTCOSV refresh
  15. 2026-06-17 17:52 UTCEPSS rescore
  16. 2026-06-16 17:52 UTCEPSS rescore
  17. 2026-06-15 17:48 UTCEPSS rescore
  18. 2026-06-14 23:17 UTCEPSS rescore
  19. 2026-06-13 22:59 UTCEPSS rescore
  20. 2026-06-13 22:59 UTCEPSS rescore
  21. 2026-06-12 23:11 UTCEPSS rescore
  22. 2026-06-11 13:59 UTCEPSS rescore
  23. 2026-06-10 22:18 UTCEPSS rescore
  24. 2026-06-10 13:21 UTCEPSS rescore
  25. 2026-06-08 14:16 UTCEPSS rescore
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  27. 2026-06-07 15:24 UTCEPSS rescore
  28. 2026-06-06 13:47 UTCEPSS rescore
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  30. 2026-06-05 22:46 UTCEPSS rescore
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  38. 2026-05-31 22:30 UTCEPSS rescore
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  40. 2026-05-31 00:16 UTCEPSS rescore
  41. 2026-05-31 00:16 UTCEPSS rescore
  42. 2026-05-29 17:25 UTCEG score recompute
  43. 2026-05-29 17:25 UTCGHSA enrichment
  44. 2026-05-29 14:57 UTCOSV refresh
  45. 2026-05-29 13:44 UTCEPSS rescore

Frequently asked(5)

What is CVE-2025-13326?
CVE-2025-13326 is a low vulnerability published on December 17, 2025. Mattermost Desktop App versions <6.0.0 fail to enable the Hardened Runtime on the Mattermost Desktop App when packaged for Mac App Store which allows an attacker to inherit TCC permissions via copying the binary to a tmp folder.
When was CVE-2025-13326 disclosed?
CVE-2025-13326 was first published in the National Vulnerability Database on December 17, 2025, with the most recent update on December 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-13326 actively exploited?
CVE-2025-13326 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-13326?
CVE-2025-13326 has a CVSS v3 base score of 3.9 (NVD).
How do I remediate CVE-2025-13326?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-13326, 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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