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TI-2017-14060 Aliases CVE-2017-18912GHSA-m2ch-x2q7-2284

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7.

Priority MEDIUM 45CWE-22Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. It allows an attacker to specify a full pathname of a log file.

Why it matters now

EPSS 0.01387 72nd percentileScored 2026-11-07
Fix Fixed github.com/mattermost/mattermost-server (Go): 3.7.4-0.20170404171331-0b5c0794fdcb

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—github.com/mattermost/mattermost-server (Go)before 3.7.4-0.20170404171331-0b5c0794fdcb3.7.4-0.20170404171331-0b5c0794fdcbPatch availableGHSA-m2ch-x2q7-2284
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected before 3.7.4-0.20170404171331-0b5c0794fdcb Fixed in 3.7.4-0.20170404171331-0b5c0794fdcb Patch available GHSA-m2ch-x2q7-2284

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*before 3.6.7; 3.7.0 to before 3.7.5; 3.8.0 to before 3.8.2VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions before 3.6.7; 3.7.0 to before 3.7.5; 3.8.0 to before 3.8.2 Vulnerable ·Mattermost

Remediation

  • Fix · GHSA-m2ch-x2q7-2284 github.com/mattermost/mattermost-server (Go) Fixed in 3.7.4-0.20170404171331-0b5c0794fdcb Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18912
  2. 2026-10-03 Alias added: GHSA-m2ch-x2q7-2284

References

  • TI-2025-18933 Arbitrary file read in Mattermost Boards via import & export board archive CVSS 3.1CRITICAL 9.9
  • TI-2025-04465 Path Traversal Leading to RCE by Any Authenticated Mattermost User CVSS 3.1CRITICAL 9.9
  • TI-2017-14068 An issue was discovered in Mattermost Server before 3.6.2. CVSS 3.1CRITICAL 9.8
  • TI-2017-14048 An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. CVSS 3.1CRITICAL 9.8
  • TI-2025-14360 Arbitrary file read via block duplication in Mattermost Boards CVSS 3.1CRITICAL 9.9
  • TI-2018-15213 An issue was discovered in Mattermost Server before 5.2 and 5.1.1. CVSS 3.1CRITICAL 9.8
See all 505 →

Sources