Mattermost Mobile Apps up to 2.32.0 SSO Redirect Token cross-site request forgery

Summaryinfo

A vulnerability classified as problematic has been found in Mattermost Mobile Apps up to 2.32.0. This vulnerability affects unknown code of the component SSO Redirect Token Handler. This manipulation causes cross-site request forgery. This vulnerability is handled as CVE-2025-59480. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Mattermost Mobile Apps up to 2.32.0 and classified as problematic. Affected by this vulnerability is some unknown processing of the component SSO Redirect Token Handler. The manipulation with an unknown input leads to a cross-site request forgery vulnerability. The CWE definition for the vulnerability is CWE-352. The web application does not, or can not, sufficiently verify whether a well-formed, valid, consistent request was intentionally provided by the user who submitted the request. As an impact it is known to affect integrity. The summary by CVE is:

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

The weakness was released by Doyensec. The advisory is shared at mattermost.com. This vulnerability is known as CVE-2025-59480 since 10/15/2025. The exploitation appears to be difficult. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

Upgrading to version 2.33.0 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-2315). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

• Mattermost Mattermost

Productinfo

Type

• Groupware Software

Vendor

• Mattermost

Name

• Mobile Apps

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32.0

License

• open-source

CPE 2.3info

• 🔒
• 🔒
• 🔒

CPE 2.2info

• 🔒
• 🔒
• 🔒

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Exploitinginfo

Threat Intelligenceinfo

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Timelineinfo

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Entryinfo

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion