CVE-2025-2475
Unauthorized Bot Login Using Credentials
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
Unauthorized Bot Login Using Credentials
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
CVE-2025-2475- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
EUVDEUVD-2025-10887
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
EUVD-2025-10887- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-6rqh-8465-2xcw
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
GHSA-6rqh-8465-2xcw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
NVD
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
CVE-2025-2475- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSV
Unauthorized Bot Login Using Credentials
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
CVE-2025-2475- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGHSA-6rqh-8465-2xcw
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm
Mattermost versions 10.5.x <= 10.5.1, 10.4.x <= 10.4.3, 9.11.x <= 9.11.9 fail to invalidate the cache when a user account is converted to a bot which allows an attacker to login to the bot exactly one time via normal credentials.
- Record
GHSA-6rqh-8465-2xcw- CVSS 3.1
- 5.4 Medium
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N - Weakness
- CWE-303
- Updated
- 2026-11-02
OSVGO-2025-3610 No score
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-server
Mattermost vulnerable to Incorrect Implementation of Authentication Algorithm in github.com/mattermost/mattermost-server
- Record
GO-2025-3610- Updated
- 2026-11-02
OSVopenSUSE-SU-2025:15017-1 No score
govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media
These are all security issues fixed in the govulncheck-vulndb-0.0.20250422T181640-1.1 package on the GA media of openSUSE Tumbleweed.
- Record
openSUSE-SU-2025:15017-1- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
github.com/mattermost/mattermost/server/v8Go |
10.5.0 up to 10.5.2 | 10.5.2 |
github.com/mattermost/mattermost/server/v8Go |
9.11.0 up to 9.11.10 | 9.11.10 |
github.com/mattermost/mattermost/server/v8Go |
before 8.0.0-20250220161544-fd356b62b4dd | 8.0.0-20250220161544-fd356b62b4dd |
github.com/mattermost/mattermost-serverGo |
9.11.0+incompatible up to 9.11.10+incompatible, 10.5.0+incompatible up to 10.5.2+incompatible | 9.11.10+incompatible10.5.2+incompatible |
github.com/mattermost/mattermost-server/v5Go |
All versions | None known |
github.com/mattermost/mattermost-server/v6Go |
All versions | None known |
govulncheck-vulndbopenSUSE:Tumbleweed From an advisory covering 23 CVEs |
before 0.0.20250422T181640-1.1 | 0.0.20250422T181640-1.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-2475 is a medium vulnerability (CVSS 5.4) in Mattermost, published April 14, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 14th percentile. Fixed in github.com/mattermost/mattermost/server/v8 10.5.2.
References
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2025-2475
github.com/mattermost/mattermost/commit/fd356b62b4dd3318d2c8019d2310abdd6ce24c8c
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pkg.go.dev/vuln/GO-2025-3610
lists.opensuse.org/archives/list/[email protected]/thread/XCF7AZBKQYAQXK32J6F54H6NREFBK2V7
suse.com/security/cve/CVE-2019-15119