CVE-2025-54478 describes an authentication bypass vulnerability in Mattermost Confluence Plugin versions prior to 1.5.0. Unauthenticated attackers can exploit this flaw by making a direct API call to the edit channel subscription endpoint, allowing them to modify channel subscriptions without proper authorization. Rated 5.3 Medium (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N), this vulnerability is easily exploitable over the network with low complexity, potentially leading to unauthorized information modification. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 1.5.0CPE matchmatch criteria | cpe:2.3:a:mattermost:confluence:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.