# github.com/mattermost/mattermost (Go) vulnerabilities

Source: https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 11 vulnerabilities in github.com/mattermost/mattermost (Go): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2025-13324, was published on 17 December 2025.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 11 (0 critical, 0 exploited in the wild)

## About github.com/mattermost/mattermost (Go)

Go-based open-source team collaboration and messaging platform.

## Latest github.com/mattermost/mattermost (Go) vulnerabilities

- [CVE-2025-13324: Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation](https://junglewise.ai/threats/cve-2025-13324-mattermost-has-an-invite-token-replay-vulnerability-via-channel) (low, CVSS 3.7, published 17 Dec 2025)
- [CVE-2025-62690: GO-2025-4248 - Mattermost has missing redirect URL validation in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2025-62690-mattermost-has-missing-redirect-url-validation) (low, CVSS 3.1, published 17 Dec 2025)
- [CVE-2025-13352: Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection](https://junglewise.ai/threats/cve-2025-13352-mattermost-github-plugin-bot-identity-validation-bypass-allows) (low, CVSS 3.1, published 17 Dec 2025)
- [CVE-2025-13870: GO-2025-4178 - Mattermost fails to validate user permissions in Boards in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2025-13870-mattermost-fails-to-validate-user-permissions-in-boards) (low, CVSS 3.1, published 2 Dec 2025)
- [CVE-2025-12756: GO-2025-4172 - Mattermost fails to validate user permissions when deleting comments in Boards in…](https://junglewise.ai/threats/cve-2025-12756-mattermost-fails-to-validate-user-permissions-when-deleting) (medium, CVSS 4.3, published 1 Dec 2025)
- [CVE-2025-11776: GO-2025-4126 - Mattermost fails to properly restrict access to archived channel search API in…](https://junglewise.ai/threats/cve-2025-11776-mattermost-fails-to-properly-restrict-access-to-archived-channel) (medium, CVSS 4.3, published 14 Nov 2025)
- [CVE-2025-11777: GO-2025-4122 - Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2025-11777-mattermost-incorrect-authorization-vulnerability) (low, CVSS 3.1, published 13 Nov 2025)
- [CVE-2020-14457: GO-2023-1939 - Mattermost Server Sensitive Data Exposure in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2020-14457-mattermost-server-sensitive-data-exposure) (low, CVSS 3.1, published 20 Aug 2024)
- [CVE-2024-41926: Mattermost allows remote actor to set arbitrary RemoteId values for synced users](https://junglewise.ai/threats/cve-2024-41926-mattermost-allows-remote-actor-to-set-arbitrary-remoteid-values) (low, CVSS 3.1, published 6 Aug 2024)
- [CVE-2024-41162: Mattermost allows a remote actor to make an arbitrary local channel read-only](https://junglewise.ai/threats/cve-2024-41162-mattermost-allows-a-remote-actor-to-make-an-arbitrary-local) (low, CVSS 3.1, published 6 Aug 2024)
- [CVE-2024-41144: Mattermost allows remote actor to create/update/delete posts in arbitrary channels](https://junglewise.ai/threats/cve-2024-41144-mattermost-allows-remote-actor-to-create-update-delete-posts-in) (low, CVSS 3.1, published 6 Aug 2024)

## Most severe github.com/mattermost/mattermost (Go) vulnerabilities

- [CVE-2025-11776: GO-2025-4126 - Mattermost fails to properly restrict access to archived channel search API in…](https://junglewise.ai/threats/cve-2025-11776-mattermost-fails-to-properly-restrict-access-to-archived-channel) (medium, CVSS 4.3, published 14 Nov 2025)
- [CVE-2025-12756: GO-2025-4172 - Mattermost fails to validate user permissions when deleting comments in Boards in…](https://junglewise.ai/threats/cve-2025-12756-mattermost-fails-to-validate-user-permissions-when-deleting) (medium, CVSS 4.3, published 1 Dec 2025)
- [CVE-2025-13324: Mattermost has an Invite Token Replay Vulnerability via Channel Membership Manipulation](https://junglewise.ai/threats/cve-2025-13324-mattermost-has-an-invite-token-replay-vulnerability-via-channel) (low, CVSS 3.7, published 17 Dec 2025)
- [CVE-2020-14457: GO-2023-1939 - Mattermost Server Sensitive Data Exposure in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2020-14457-mattermost-server-sensitive-data-exposure) (low, CVSS 3.1, published 20 Aug 2024)
- [CVE-2024-41144: Mattermost allows remote actor to create/update/delete posts in arbitrary channels](https://junglewise.ai/threats/cve-2024-41144-mattermost-allows-remote-actor-to-create-update-delete-posts-in) (low, CVSS 3.1, published 6 Aug 2024)
- [CVE-2024-41162: Mattermost allows a remote actor to make an arbitrary local channel read-only](https://junglewise.ai/threats/cve-2024-41162-mattermost-allows-a-remote-actor-to-make-an-arbitrary-local) (low, CVSS 3.1, published 6 Aug 2024)
- [CVE-2025-13870: GO-2025-4178 - Mattermost fails to validate user permissions in Boards in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2025-13870-mattermost-fails-to-validate-user-permissions-in-boards) (low, CVSS 3.1, published 2 Dec 2025)
- [CVE-2025-11777: GO-2025-4122 - Mattermost Incorrect Authorization vulnerability in github.com/mattermost/mattermost](https://junglewise.ai/threats/cve-2025-11777-mattermost-incorrect-authorization-vulnerability) (low, CVSS 3.1, published 13 Nov 2025)
- [CVE-2025-13352: Mattermost GitHub Plugin Bot Identity Validation Bypass Allows Arbitrary GitHub Reaction Injection](https://junglewise.ai/threats/cve-2025-13352-mattermost-github-plugin-bot-identity-validation-bypass-allows) (low, CVSS 3.1, published 17 Dec 2025)
- [CVE-2024-41926: Mattermost allows remote actor to set arbitrary RemoteId values for synced users](https://junglewise.ai/threats/cve-2024-41926-mattermost-allows-remote-actor-to-set-arbitrary-remoteid-values) (low, CVSS 3.1, published 6 Aug 2024)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other Go technologies

- [github.com/mattermost/mattermost-server (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server): 297 vulnerabilities
- [github.com/mattermost/mattermost-server/v6 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v6): 222 vulnerabilities
- [github.com/mattermost/mattermost/server/v8 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v8): 207 vulnerabilities
- [github.com/mattermost/mattermost-server/v5 (Go)](https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost-server-v5): 199 vulnerabilities
- [stdlib (Go)](https://junglewise.ai/threats/technologies/go-stdlib): 178 vulnerabilities
- [github.com/siyuan-note/siyuan/kernel (Go)](https://junglewise.ai/threats/technologies/github-com-siyuan-note-siyuan-kernel): 160 vulnerabilities
- [code.gitea.io/gitea (Go)](https://junglewise.ai/threats/technologies/code-gitea-io-gitea): 126 vulnerabilities
- [code.vikunja.io/api (Go)](https://junglewise.ai/threats/technologies/code-vikunja-io-api): 91 vulnerabilities
- [gogs.io/gogs (Go)](https://junglewise.ai/threats/technologies/gogs-io-gogs): 81 vulnerabilities
- [github.com/traefik/traefik/v2 (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik-v2): 78 vulnerabilities
- [github.com/traefik/traefik (Go)](https://junglewise.ai/threats/technologies/github-com-traefik-traefik): 75 vulnerabilities
- [github.com/usememos/memos (Go)](https://junglewise.ai/threats/technologies/github-com-usememos-memos): 75 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "github.com/mattermost/mattermost (Go) vulnerabilities", https://junglewise.ai/threats/technologies/github-com-mattermost-mattermost, 13 November 2026.