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TI-2017-14050 Aliases CVE-2017-18902GHSA-jwfv-5hwq-f97r

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3.

Priority LOW 26CWE-200Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

An issue was discovered in Mattermost Server before 4.1.0, 4.0.4, and 3.10.3. It allows attackers to discover team invite IDs via team API endpoints.

Why it matters now

EPSS 0.00927 60th percentileScored 2026-11-07
Fix Fixed github.com/mattermost/mattermost-server (Go): 3.10.3, 4.0.4, 4.1.0

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 3.10.33.10.3Patch availableGHSA-jwfv-5hwq-f97r
—github.com/mattermost/mattermost-server (Go)4.0.0 to before 4.0.44.0.4Patch availableGHSA-jwfv-5hwq-f97r
—github.com/mattermost/mattermost-server (Go)4.0.5-rc1 to before 4.1.04.1.0Patch availableGHSA-jwfv-5hwq-f97r
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected before 3.10.3 Fixed in 3.10.3 Patch available GHSA-jwfv-5hwq-f97r
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 4.0.0 to before 4.0.4 Fixed in 4.0.4 Patch available GHSA-jwfv-5hwq-f97r
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 4.0.5-rc1 to before 4.1.0 Fixed in 4.1.0 Patch available GHSA-jwfv-5hwq-f97r

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*before 3.10.3; 4.0.0 to before 4.0.4VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions before 3.10.3; 4.0.0 to before 4.0.4 Vulnerable ·Mattermost

Remediation

  • Fix · GHSA-jwfv-5hwq-f97r github.com/mattermost/mattermost-server (Go) Fixed in 3.10.3 Advisory →
  • Fix · GHSA-jwfv-5hwq-f97r github.com/mattermost/mattermost-server (Go) Fixed in 4.0.4 Advisory →
  • Fix · GHSA-jwfv-5hwq-f97r github.com/mattermost/mattermost-server (Go) Fixed in 4.1.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2017-18902
  2. 2026-10-03 Alias added: GHSA-jwfv-5hwq-f97r

References

Advisory 2

Other 2

  • 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