CVE-2025-44004

FAUCET Score

CVE-2025-44004 is a high-severity authorization bypass vulnerability affecting Mattermost Confluence Plugin versions prior to 1.5.0. An unauthenticated attacker can exploit this flaw via an API call to create channel subscriptions without proper authorization, leading to potential information disclosure and integrity impacts. While the CVSS score is 7.2, there is currently no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 1.5.0CPE matchmatch criteria	cpe:2.3:a:mattermost:confluence::::::mattermost::*

CVSS Data

CVSS version used by this source: 3.1

7.2HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

Exploitability Score

3.9

Impact Score

2.7

CvssVersion

3.1

Exploit Intelligence

EPSS Score

0.20%

Probability of exploitation in next 30 days

EPSS Percentile

10.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-27

Model: v2026.06.15

This CVE's current EPSS score of 0.0020 is in the 1st percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

gopatch availablevia ghsa

Product: github.com/mattermost/mattermost-plugin-confluenceFixed in: 1.5.0

Vendor Advisories (1)

goGHSA-6ff3-jgxh-vffjhigh

Mattermost Confluence Plugin is Missing Authentication for Critical Function

Aug 11, 2025

References

mattermost.com / security-updates

Vendor Advisory