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TI-2017-14064 Aliases CVE-2017-18916GHSA-x33g-375j-jhf7

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

Priority LOW 25CWE-732Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-284.

Summary

An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. API endpoint access control does not honor an integration permission restriction.

Why it matters now

EPSS 0.00775 56th percentileScored 2026-11-07
Fix Fixed github.com/mattermost/mattermost-server (Go): 3.6.7-0.20170420152529-0968e4079e0a, 3.7.5, 3.8.2

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 3.6.7-0.20170420152529-0968e4079e0a3.6.7-0.20170420152529-0968e4079e0aPatch availableGHSA-x33g-375j-jhf7
—github.com/mattermost/mattermost-server (Go)3.7.0 to before 3.7.53.7.5Patch availableGHSA-x33g-375j-jhf7
—github.com/mattermost/mattermost-server (Go)3.8.0 to before 3.8.23.8.2Patch availableGHSA-x33g-375j-jhf7
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected before 3.6.7-0.20170420152529-0968e4079e0a Fixed in 3.6.7-0.20170420152529-0968e4079e0a Patch available GHSA-x33g-375j-jhf7
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 3.7.0 to before 3.7.5 Fixed in 3.7.5 Patch available GHSA-x33g-375j-jhf7
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 3.8.0 to before 3.8.2 Fixed in 3.8.2 Patch available GHSA-x33g-375j-jhf7

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-x33g-375j-jhf7 github.com/mattermost/mattermost-server (Go) Fixed in 3.6.7-0.20170420152529-0968e4079e0a Advisory →
  • Fix · GHSA-x33g-375j-jhf7 github.com/mattermost/mattermost-server (Go) Fixed in 3.7.5 Advisory →
  • Fix · GHSA-x33g-375j-jhf7 github.com/mattermost/mattermost-server (Go) Fixed in 3.8.2 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18916
  2. 2026-10-03 Alias added: GHSA-x33g-375j-jhf7

References

Advisory 2

Other 5

  • 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-2017-14060 An issue was discovered in Mattermost Server before 3.8.2, 3.7.5, and 3.6.7. 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
See all 505 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences