Mattermost Google Drive Plugin up to 1.0.0/1.0.x File Creation Endpoint authorization

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.5$0-$5k0.00

Summaryinfo

A vulnerability was found in Mattermost Google Drive Plugin up to 1.0.0/1.0.x. It has been declared as problematic. This vulnerability affects unknown code of the component File Creation Endpoint. The manipulation results in authorization. This vulnerability was named CVE-2026-2299. The attack may be performed from remote. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic has been found in Mattermost Google Drive Plugin up to 1.0.0/1.0.x. Affected is some unknown processing of the component File Creation Endpoint. 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, integrity, and availability. CVE summarizes:

The Mattermost Google Drive plugin before version 1.1.0 fails to validate channel membership in the file creation endpoint, allowing authenticated users with a connected Google account to share Google Drive files to unauthorized private channels and disclose private channel membership.

The weakness was presented by Lorenzo Gallegos. The advisory is available at github.com. This vulnerability is traded as CVE-2026-2299 since 02/10/2026. The exploitability is told to be difficult. It is possible to launch the attack remotely. The technical details are unknown and an exploit is not available.

Upgrading to version 1.1.0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Vendor

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 5.0
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 4.2
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
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Google Drive Plugin 1.1.0

Timelineinfo

02/10/2026 CVE reserved
06/25/2026 +135 days VulDB entry created
06/26/2026 +0 days Advisory disclosed
06/26/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: github.com
Researcher: Lorenzo Gallegos
Status: Confirmed

CVE: CVE-2026-2299 (🔒)
GCVE (CVE): GCVE-0-2026-2299
GCVE (VulDB): GCVE-100-374058

Entryinfo

Created: 06/26/2026 01:24
Changes: 06/26/2026 01:24 (66)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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