CVE-2025-27936
Mattermost vulnerable to Observable Timing Discrepancy in github.com/mattermost/mattermost-plugin-msteams
5.3
MEDIUM
CVSS 3.1
EPSS 0.24%
Description
Mattermost vulnerable to Observable Timing Discrepancy in github.com/mattermost/mattermost-plugin-msteams. NOTE: The source advisory for this report contains additional versions that could not be automatically mapped to standard Go module versions. (If this is causing false-positive reports from vulnerability scanners, please suggest an edit to the report.) The additional affected modules and versions are: github.com/mattermost/mattermost-plugin-msteams before v2.1.0.
How to fix CVE-2025-27936
To remediate CVE-2025-27936, upgrade the affected package to a fixed version below.
- —upgrade to 2.1.0 or later
- —no fix listed
- —upgrade to 10.5.2+incompatible or later
- —no fix listed
- —no fix listed
- —upgrade to 8.0.0-20250218121836-2b5275d87136 or later
- —upgrade to 10.5.2 or later
Is CVE-2025-27936 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (7)
- from 0, < 2.1.0
- from 0
- >= 10.5.0+incompatible, < 10.5.2+incompatible
- from 0
- from 0
- from 0, < 8.0.0-20250218121836-2b5275d87136
- >= 10.5.0, < 10.5.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N |