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TI-2025-01214 Aliases CVE-2025-1412GHSA-rhvr-6w8c-6v7w

Session Persistence After User-to-Bot Conversion

Priority LOW 38CWE-384Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-384.

Summary

Mattermost versions 9.11.x <= 9.11.6, 10.4.x <= 10.4.1 fail to invalidate all active sessions when converting a user to a bot, with allows the converted user to escalate their privileges depending on the permissions granted to the bot.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00257 17th percentileScored 2026-11-07
Fix Fixed Mattermost (Mattermost): 10.5.0, 9.11.7, 10.4.2github.com/mattermost/mattermost/server/v8 (Go): 8.0.0-20241217145510-faa7e4f2ea0c, 10.4.2, 9.11.7

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
MattermostMattermost9.11.0 – 9.11.6; 10.4.0 – 10.4.110.5.0, 9.11.7, 10.4.2Patch availableCNA
—github.com/mattermost/mattermost/server/v8 (Go)before 8.0.0-20241217145510-faa7e4f2ea0c8.0.0-20241217145510-faa7e4f2ea0cPatch availableGHSA-rhvr-6w8c-6v7w
—github.com/mattermost/mattermost/server/v8 (Go)10.4.0-rc1 to before 10.4.210.4.2Patch availableGHSA-rhvr-6w8c-6v7w
—github.com/mattermost/mattermost/server/v8 (Go)9.11.0-rc1 to before 9.11.79.11.7Patch availableGHSA-rhvr-6w8c-6v7w
  • Mattermost VendorMattermost Affected 9.11.0 – 9.11.6; 10.4.0 – 10.4.1 Fixed in 10.5.0, 9.11.7, 10.4.2 Patch available CNA
  • github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected before 8.0.0-20241217145510-faa7e4f2ea0c Fixed in 8.0.0-20241217145510-faa7e4f2ea0c Patch available GHSA-rhvr-6w8c-6v7w
  • github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 10.4.0-rc1 to before 10.4.2 Fixed in 10.4.2 Patch available GHSA-rhvr-6w8c-6v7w
  • github.com/mattermost/mattermost/server/v8 (Go) Vendor— Affected 9.11.0-rc1 to before 9.11.7 Fixed in 9.11.7 Patch available GHSA-rhvr-6w8c-6v7w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*9.11.0 to before 9.11.7; 10.4.0 to before 10.4.2VulnerableMattermost
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:* Versions 9.11.0 to before 9.11.7; 10.4.0 to before 10.4.2 Vulnerable ·Mattermost

Remediation

  • Fix · CNA Mattermost (Mattermost) Fixed in 10.5.0, 9.11.7, 10.4.2
  • Fix · GHSA-rhvr-6w8c-6v7w github.com/mattermost/mattermost/server/v8 (Go) Fixed in 8.0.0-20241217145510-faa7e4f2ea0c Advisory →
  • Fix · GHSA-rhvr-6w8c-6v7w github.com/mattermost/mattermost/server/v8 (Go) Fixed in 10.4.2 Advisory →
  • Fix · GHSA-rhvr-6w8c-6v7w github.com/mattermost/mattermost/server/v8 (Go) Fixed in 9.11.7 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-1412
  2. 2026-10-03 Alias added: GHSA-rhvr-6w8c-6v7w

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