CVE-2025-59480

Name: CVE-2025-59480
Creator: NVD / NIST
Published: 2025-11-13T18:15:50.703+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.12%

Last modified Jun 17, 2026

CVE-2025-59480 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses. EPSS estimates a 0.12% chance of exploitation in the next 30 days.

Description

Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses

Metrics

CVSS 3.1

6.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

EPSS Probability

0.12%

2.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-352

Affected Software

Vendor	Product	Versions
Mattermost	Mattermost Mobile	< 2.33.0

References

https://mattermost.com/security-updatesVendor Advisory

Timeline

Published: Nov 13, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-59480?

How severe is CVE-2025-59480?

CVE-2025-59480 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.12% probability of exploitation in the next 30 days.

How do I fix CVE-2025-59480?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-59480?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST