Mattermost up to 10.11.9/11.2.x Team Setting authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.7 | $0-$5k | 0.00 |
Summary
A vulnerability marked as problematic has been reported in Mattermost up to 10.11.9/11.2.x. This affects an unknown function of the component Team Setting Handler. This manipulation causes authorization. The identification of this vulnerability is CVE-2025-14573. It is possible to initiate the attack remotely. There is no exploit available. It is suggested to upgrade the affected component.
Details
A vulnerability has been found in Mattermost up to 10.11.9/11.2.x and classified as problematic. Affected by this vulnerability is an unknown code of the component Team Setting Handler. The manipulation with an unknown input leads to a authorization vulnerability. The CWE definition for the vulnerability is CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:
Mattermost versions 10.11.x <= 10.11.9 fail to enforce invite permissions when updating team settings, which allows team administrators without proper permissions to bypass restrictions and add users to their team via API requests. Mattermost Advisory ID: MMSA-2025-00561
The weakness was shared by omarAhmed1. The advisory is shared at mattermost.com. This vulnerability is known as CVE-2025-14573 since 12/12/2025. The exploitation appears to be easy. The attack can be launched remotely. Additional levels of successful authentication are needed for exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version 10.11.10 or 11.3.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-206979). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Type
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.7VulDB Meta Temp Score: 3.7
VulDB Base Score: 4.7
VulDB Temp Score: 4.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
NVD Base Score: 2.7
NVD Vector: 🔒
CNA Base Score: 3.8
CNA Vector (Mattermost): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: AuthorizationCWE: 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: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: Mattermost 10.11.10/11.3.0
Timeline
12/12/2025 CVE reserved02/16/2026 Advisory disclosed
02/16/2026 VulDB entry created
02/20/2026 VulDB entry last update
Sources
Advisory: mattermost.comResearcher: omarAhmed1
Status: Confirmed
CVE: CVE-2025-14573 (🔒)
GCVE (CVE): GCVE-0-2025-14573
GCVE (VulDB): GCVE-100-346189
EUVD: 🔒
Entry
Created: 02/16/2026 15:57Updated: 02/20/2026 09:54
Changes: 02/16/2026 15:57 (64), 02/17/2026 18:10 (1), 02/20/2026 09:54 (12)
Complete: 🔍
Cache ID: 216::103
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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