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TI-2025-13314 Aliases CVE-2025-14573GHSA-cgjg-p2m2-qm4p

Team Admin Bypass of Invite Permissions via allow_open_invite Field

Priority LOW 17CWE-862Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-862.

Summary

Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00184 7th percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 11.3.0, 10.11.10github.com/mattermost/mattermost/server/v8 (Go): 8.0.0-20251215190648-6404ab29acc0+1 more product

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
MattermostMattermost10.11.0 – 10.11.911.3.0, 10.11.10Patch availableCNA
—github.com/mattermost/mattermost/server/v8 (Go)before 8.0.0-20251215190648-6404ab29acc08.0.0-20251215190648-6404ab29acc0Patch availableGHSA-cgjg-p2m2-qm4p
—github.com/mattermost/mattermost-server (Go)11.1.0 and later—No fix listedGHSA-cgjg-p2m2-qm4p
—github.com/mattermost/mattermost-server (Go)10.11.0 and later—No fix listedGHSA-cgjg-p2m2-qm4p
—github.com/mattermost/mattermost-server (Go)11.2.0 and later—No fix listedGHSA-cgjg-p2m2-qm4p
—github.com/mattermost/mattermost-server (Go)before 5.3.2-0.20251215190648-6404ab29acc05.3.2-0.20251215190648-6404ab29acc0Patch availableGHSA-cgjg-p2m2-qm4p
  • Mattermost VendorMattermost Affected 10.11.0 – 10.11.9 Fixed in 11.3.0, 10.11.10 Patch available CNA
  • github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected before 8.0.0-20251215190648-6404ab29acc0 Fixed in 8.0.0-20251215190648-6404ab29acc0 Patch available GHSA-cgjg-p2m2-qm4p
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 11.1.0 and later Fixed in — No fix listed GHSA-cgjg-p2m2-qm4p
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 10.11.0 and later Fixed in — No fix listed GHSA-cgjg-p2m2-qm4p
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected 11.2.0 and later Fixed in — No fix listed GHSA-cgjg-p2m2-qm4p
  • github.com/mattermost/mattermost-server (Go) Vendor— Affected before 5.3.2-0.20251215190648-6404ab29acc0 Fixed in 5.3.2-0.20251215190648-6404ab29acc0 Patch available GHSA-cgjg-p2m2-qm4p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*10.11.0 to before 10.11.10VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions 10.11.0 to before 10.11.10 Vulnerable ·Mattermost

Remediation

  • Fix · CNA Mattermost (Mattermost) Fixed in 11.3.0, 10.11.10
  • Fix · GHSA-cgjg-p2m2-qm4p github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.0.0-20251215190648-6404ab29acc0 Advisory →
  • Fix · GHSA-cgjg-p2m2-qm4p github.com/mattermost/mattermost-server (Go) Fixed in 5.3.2-0.20251215190648-6404ab29acc0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-14573
  2. 2026-10-03 Alias added: GHSA-cgjg-p2m2-qm4p

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