Mattermost Confluence Plugin up to 1.4.x API Call authorization
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 3.8 | $0-$5k | 0.00 |
Summary
A vulnerability identified as problematic has been detected in Mattermost Confluence Plugin up to 1.4.x. Affected is an unknown function of the component API Call Handler. Performing a manipulation results in authorization. This vulnerability is identified as CVE-2025-44001. The attack can be initiated remotely. There is not any exploit available. You should upgrade the affected component.
Details
A vulnerability was found in Mattermost Confluence Plugin up to 1.4.x. It has been classified as problematic. This affects some unknown functionality of the component API Call Handler. The manipulation with an unknown input leads to a authorization vulnerability. CWE is classifying the issue as CWE-862. The product does not perform an authorization check when an actor attempts to access a resource or perform an action. This is going to have an impact on confidentiality. The summary by CVE is:
Mattermost Confluence Plugin version <1.5.0 fails to check the access of the user to the channel which allows attackers to get channel subscription details without proper access to the channel via API call to the Get Channel Subscriptions details endpoint.
The weakness was released by Lorenzo Gallegos. The advisory is shared at mattermost.com. This vulnerability is uniquely identified as CVE-2025-44001 since 07/28/2025. The exploitability is told to be difficult. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available.
Upgrading to version 1.5.0 eliminates this vulnerability.
The vulnerability is also documented in the vulnerability database at CERT Bund (WID-SEC-2025-1663). If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Affected
- Mattermost Mattermost
Product
Type
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 3.8VulDB Meta Temp Score: 3.8
VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 4.0
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 |
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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: Confluence Plugin 1.5.0
Timeline
07/28/2025 CVE reserved08/11/2025 Advisory disclosed
08/11/2025 VulDB entry created
09/26/2025 VulDB entry last update
Sources
Advisory: mattermost.comResearcher: Lorenzo Gallegos
Status: Confirmed
CVE: CVE-2025-44001 (🔒)
GCVE (CVE): GCVE-0-2025-44001
GCVE (VulDB): GCVE-100-319461
CERT Bund: WID-SEC-2025-1663 - Mattermost Plugins: Mehrere Schwachstellen ermöglichen Umgehung von Sicherheitsmechanismen
Entry
Created: 08/11/2025 21:52Updated: 09/26/2025 00:00
Changes: 08/11/2025 21:52 (65), 08/12/2025 13:24 (7), 09/26/2025 00:00 (1)
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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