CVE-2026-22545
published 2026-03-16CVE-2026-22545: Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated…
PriorityP417low3.5CVSS 3.1
AVNACLPRLUIRSUCNILAN
EPSS
0.15%
4.5th percentile
Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583
Affected
10 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| github.com | mattermost_mattermost-server | >= 0 < 5.3.2-0.20260127144908-ced9a56e3988 | 5.3.2-0.20260127144908-ced9a56e3988 |
| github.com | mattermost_mattermost-server | >= 10.11.0-rc1 < 10.11.11 | 10.11.11 |
| github.com | mattermost_mattermost-server | >= 10.11.0-rc1+incompatible < 10.11.11+incompatible | 10.11.11+incompatible |
| github.com | mattermost_mattermost-server | >= 11.2.0-rc1 < 11.2.3 | 11.2.3 |
| github.com | mattermost_mattermost-server | >= 11.2.0-rc1+incompatible < 11.2.3+incompatible | 11.2.3+incompatible |
| github.com | mattermost_mattermost-server | >= 11.3.0-rc1 < 11.3.1 | 11.3.1 |
| github.com | mattermost_mattermost-server | >= 11.3.0-rc1+incompatible < 11.3.1+incompatible | 11.3.1+incompatible |
| github.com | mattermost_mattermost_server_v8 | >= 0 < 8.0.0-20260127144908-ced9a56e3988 | 8.0.0-20260127144908-ced9a56e3988 |
| mattermost | mattermost | 10.11.0 – 10.11.10 | — |
| mattermost | mattermost_server | >= 10.11.0 < 10.11.11 | 10.11.11 |
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OSV
Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server
osv·2026-03-23
CVE-2026-22545 Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server
Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server
Mattermost fails to validate user's authentication method when processing account auth type switch in github.com/mattermost/mattermost-server.
NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions.
(If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.)
The additional affected modules and versions are: github.com/mattermost/mattermost-server/v5 before v5.3.2-0.20260127144908-ced9a56e3988.
OSV
Mattermost fails to validate user's authentication method when processing account auth type switch
osv·2026-03-16
CVE-2026-22545 [LOW] Mattermost fails to validate user's authentication method when processing account auth type switch
Mattermost fails to validate user's authentication method when processing account auth type switch
Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583
GHSA
Mattermost fails to validate user's authentication method when processing account auth type switch
ghsa·2026-03-16
CVE-2026-22545 [LOW] CWE-863 Mattermost fails to validate user's authentication method when processing account auth type switch
Mattermost fails to validate user's authentication method when processing account auth type switch
Mattermost versions 10.11.x <= 10.11.10 fail to validate user's authentication method when processing account auth type switch which allows an authenticated attacker to change account password without confirmation via falsely claiming a different auth provider.. Mattermost Advisory ID: MMSA-2026-00583
No detection rules found.
No public exploits indexed.
2026-03-16
Published