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2 vulnerabilities found for github.com/mattermost/mattermost/server/public by Mattermost
CVE-2026-13426 (GCVE-0-2026-13426)
Vulnerability from nvd – Published: 2026-06-26 13:47 – Updated: 2026-06-26 14:39
VLAI
Title
Client4 fails to validate path parameters
Summary
The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted IDs containing path traversal components. Mattermost Advisory ID: MMSA-2025-00532
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | github.com/mattermost/mattermost/server/public |
Affected:
v0.0.0 , < v0.1.22
(semver)
Unaffected: v0.1.22 |
Credits
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CVE-2026-13426 (GCVE-0-2026-13426)
Vulnerability from cvelistv5 – Published: 2026-06-26 13:47 – Updated: 2026-06-26 14:39
VLAI
Title
Client4 fails to validate path parameters
Summary
The Mattermost Go module github.com/mattermost/mattermost/server/public versions < v0.1.22 fail to validate path parameters when constructing API route paths which allows an attacker to redirect API calls to unintended endpoints via crafted IDs containing path traversal components. Mattermost Advisory ID: MMSA-2025-00532
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://mattermost.com/security-updates | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Mattermost | github.com/mattermost/mattermost/server/public |
Affected:
v0.0.0 , < v0.1.22
(semver)
Unaffected: v0.1.22 |
Credits
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