Redirect Vulnerability in Mattermost by Mattermost, Inc.
CVE-2025-62690

3.1LOW

Key Information:

Vendor

Mattermost
Status
Mattermost
Vendor
CVE Published:
17 December 2025

What is CVE-2025-62690?

Mattermost versions 10.11.x up to 10.11.4 are susceptible to a redirect vulnerability due to improper validation of redirect URLs on the /error page. This flaw enables attackers to craft malicious links that, when clicked by a user, can lead them to phishing sites or other harmful destinations. Users are at risk if they inadvertently open the crafted link in a new tab, leading them to the attacker's site.

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Affected Version(s)

Mattermost 10.11.0 <= 10.11.4

Mattermost 11.1.0

Mattermost 10.11.5

References

https://mattermost.com/security-updates

CVSS V3.1

Score:
3.1
Severity:
LOW
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Mario Puente
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