Mattermost up to 10.5.10/10.10.2/10.11.1 Team authorization

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Mattermost up to 10.5.10/10.10.2/10.11.1. Impacted is an unknown function of the component Team Handler. Such manipulation leads to authorization. This vulnerability is traded as CVE-2025-58073. The attack may be launched remotely. There is no exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mattermost up to 10.5.10/10.10.2/10.11.1 and classified as critical. Affected by this issue is an unknown functionality of the component Team Handler. The manipulation with an unknown input leads to a authorization vulnerability. Using CWE to declare the problem leads to CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Mattermost versions 10.11.x <= 10.11.1, 10.10.x <= 10.10.2, 10.5.x <= 10.5.10 fail to verify a user has permission to join a Mattermost team using the original invite token which allows any attacked to join any team on a Mattermost server regardless of restrictions via manipulating the OAuth state.

The weakness was shared by DoyenSec. The advisory is shared for download at mattermost.com. This vulnerability is handled as CVE-2025-58073 since 09/16/2025. The exploitation is known to be easy. The attack may be launched remotely. There are neither technical details nor an exploit publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 271810 (Mattermost Server 10.5.x < 10.5.11 / 10.10.x < 10.10.3 / 10.11.x 10.11.2 / 10.12.0 Multiple Vulnerabilities (MMSA-2025-00507, MMSA-2025-00508)), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 10.5.11, 10.10.3, 10.11.2 or 10.12.0 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (271810) and EUVD (EUVD-2025-34740). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.2
VulDB Meta Temp Score: 7.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 8.1
CNA Vector (Mattermost): 🔒

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Authorization
CWE: CWE-862 / CWE-863 / CWE-285
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

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Nessus ID: 271810
Nessus Name: Mattermost Server 10.5.x < 10.5.11 / 10.10.x < 10.10.3 / 10.11.x 10.11.2 / 10.12.0 Multiple Vulnerabilities (MMSA-2025-00507, MMSA-2025-00508)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Mattermost 10.5.11/10.10.3/10.11.2/10.12.0

Timelineinfo

09/16/2025 CVE reserved
10/16/2025 +30 days Advisory disclosed
10/16/2025 +0 days VulDB entry created
10/28/2025 +12 days VulDB entry last update

Sourcesinfo

Advisory: mattermost.com
Researcher: DoyenSec
Status: Confirmed

CVE: CVE-2025-58073 (🔒)
GCVE (CVE): GCVE-0-2025-58073
GCVE (VulDB): GCVE-100-328784
EUVD: 🔒

Entryinfo

Created: 10/16/2025 11:12
Updated: 10/28/2025 22:52
Changes: 10/16/2025 11:12 (64), 10/16/2025 12:22 (1), 10/28/2025 22:52 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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