CVE-2025-44004

CWE-306 — Missing Authentication5 documents4 sources

Severity

7.2HIGH

EPSS

0.0%

top 86.42%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

Mattermost Mattermost Confluence Plugin Github.com Mattermost/mattermost-plugin-confluence Mattermost Confluence

Timeline

PublishedAug 11

Latest updateAug 18

Description

Mattermost Confluence Plugin version <1.5.0 fails to check the authorization of the user to the Mattermost instance which allows attackers to create a channel subscription without proper authorization via API call to the create channel subscription endpoint.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:NExploitability: 3.9 | Impact: 2.7

Affected Packages3 packages

▶CVEListV5mattermost/mattermost_confluence_plugin< 1.5.0

▶Gogithub.com/mattermost/mattermost-plugin-confluence< 1.5.0

▶NVDmattermost/confluence< 1.5.0

🔴Vulnerability Details

OSV

Mattermost Confluence Plugin is Missing Authentication for Critical Function in github.com/mattermost/mattermost-plugin-confluence↗2025-08-18

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OSV

Mattermost Confluence Plugin is Missing Authentication for Critical Function↗2025-08-11

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CVEList

Unauthenticated Channel Subscription Creation in Mattermost Confluence Plugin↗2025-08-11

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GHSA

Mattermost Confluence Plugin is Missing Authentication for Critical Function↗2025-08-11

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