How severe is CVE-2025-59480?

CVE-2025-59480 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2025-59480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59480?

CVE-2025-59480 affects Mattermost Mattermost Mobile. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59480?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59480 have an EU (EUVD) identifier?

Yes. CVE-2025-59480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175341.

When was CVE-2025-59480 published?

CVE-2025-59480 was published on 2025-11-13 and last updated on 2026-06-17.

CVE-2025-59480

CVE-2025-59480 is a medium-severity vulnerability in Mattermost Mattermost Mobile with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-352.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (3rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-175341
Weakness: CWE-352
Affected product: Mattermost Mattermost Mobile
Published: 2025-11-13
Last modified: 2026-06-17

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

Frequently asked questions

What is CVE-2025-59480?: 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
How severe is CVE-2025-59480?: CVE-2025-59480 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2025-59480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (3rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59480?: CVE-2025-59480 affects Mattermost Mattermost Mobile. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59480?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59480 have an EU (EUVD) identifier?: Yes. CVE-2025-59480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-175341.
When was CVE-2025-59480 published?: CVE-2025-59480 was published on 2025-11-13 and last updated on 2026-06-17.

References

https://mattermost.com/security-updates

Affected products (1)

cpe:2.3:a:mattermost:mattermost_mobile:*:*:*:*:*:*:*:*

More vulnerabilities in Mattermost Mattermost Mobile

CVE-2019-20852 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.26.0. Local logging is not blocked for sensitive information…
CVE-2020-14451 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.29.0. The iOS app allowed Single Sign-On cookies and Local…
CVE-2020-14449 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.30.0. Authorization tokens can sometimes be disclosed to…
CVE-2019-20848 — High (CVSS 7.5): An issue was discovered in Mattermost Mobile Apps before 1.26.0. The Quick Reply feature mishandles crafted replies.
CVE-2025-1558 — Medium (CVSS 6.5): Mattermost Mobile Apps versions <=2.25.0 fail to properly validate GIF images prior to rendering which allows a…
CVE-2025-20630 — Medium (CVSS 6.5): Mattermost Mobile versions <=2.22.0 fail to properly handle posts with attachments containing fields that cannot be…

All CVEs affecting Mattermost Mattermost Mobile →

Other CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities

CVE-2025-32642 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in appsbd Vite Coupon vite-coupon allows Remote Code Inclusion.This…
CVE-2025-23922 — Critical (CVSS 10.0): Cross-Site Request Forgery (CSRF) vulnerability in Harsh iSpring Embedder embed-ispring allows Upload a Web Shell to a…
CVE-2017-5145 — Critical (CVSS 10.0): An issue was discovered in Carlo Gavazzi VMU-C EM prior to firmware Version A11_U05, and VMU-C PV prior to firmware…
CVE-2019-25729 — Critical (CVSS 9.8): PDF Signer 3.0 contains a server-side template injection vulnerability that allows unauthenticated attackers to execute…
CVE-2025-48340 — Critical (CVSS 9.8): Cross-Site Request Forgery (CSRF) vulnerability in Danny Vink User Profile Meta Manager user-profile-meta allows…
CVE-2025-2907 — Critical (CVSS 9.8): The Order Delivery Date WordPress plugin before 12.3.1 does not have authorization and CSRF checks when importing…

Browse all CWE-352 (Cross-Site Request Forgery (CSRF)) vulnerabilities →