Cyber Resilience

CVE-2025-6233

Medium

Published: 18 July 2025

Published
18 July 2025
Modified
02 October 2025
KEV Added
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Patch
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CVSS Score v3.1 6.8 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N
EPSS Score 0.0040 61.0th percentile
Risk Priority 14 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-6233 is a medium-severity Path Traversal (CWE-22) vulnerability in Mattermost Mattermost Server. Its CVSS base score is 6.8 (Medium).

Operationally, ranked in the top 39.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

Mattermost versions 10.8.x <= 10.8.1, 10.7.x <= 10.7.3, 10.5.x <= 10.5.7, 9.11.x <= 9.11.16 fail to sanitize input paths of file attachments in the bulk import JSONL file, which allows a system admin to read arbitrary system files via path…

more

traversal.

CWE(s)
CWE-22

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

mattermost
mattermost server
9.11.0 — 9.11.17 · 10.5.0 — 10.5.8 · 10.7.0 — 10.7.4

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References