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

4 known vulnerabilities (3 medium, 1 low), with the versions each affects and the releases that fix them.

## At a glance

- Latest release: not known (cve.now hasn't read this package's releases)
- Newest unaffected release: not known without release data
- Registry: https://pkg.go.dev/github.com/mattermost/mattermost-plugin-github

## Advisories (4)

### [CVE-2026-28735](https://cve.now/CVE-2026-28735): GitHub OAuth Scope Validation

- Severity: Medium 5.4
- Published: May 22, 2026
- Affected: fixed in 1.0.1-0.20260318132218-6e6b740c4852.

### [CVE-2026-4646](https://cve.now/CVE-2026-4646): Insufficient input validation in GitHub plugin API causes denial of service

- Severity: Medium 4.3
- Published: May 22, 2026
- Affected: fixed in 1.0.1-0.20260330164815-c2840e980b3c.

### [CVE-2026-5308](https://cve.now/CVE-2026-5308): Missing request body size limits on Zoom plugin HTTP endpoints

- Severity: Medium 4.9
- Published: May 22, 2026
- Affected: fixed in 1.0.1-0.20260410143745-9b41b1fd43c4.

### [CVE-2025-13352](https://cve.now/CVE-2025-13352): Mattermost GitHub Plugin allows unauthorized GitHub reactions via reaction forwarding hijacking

- Severity: Low 3.0
- Published: Dec 17, 2025
- Affected: fixed in 1.0.1-0.20250829075715-0deffcfc6bee.

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/packages/go/github.com/mattermost/mattermost-plugin-github
Site guide for agents: https://cve.now/llms.txt
Uses NVD data; not endorsed by NVD.
