VDB
CVE-2026-2457
CVE-2026-2457
PUBLISHED
CVSS 4.300000190734863 MEDIUM
Mattermost allows attackers to spoof permalink embeds
EPSS 0.02% · 6.7th percentile
Risk Scores
CVSS v3.1
4.300000190734863
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS Score
0.02%
6.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| github.com | mattermost/mattermost/server/v8 | 0 |
| mattermost | mattermost_server | 10.11.0, 11.2.0, 11.3.0 |
| Mattermost | Mattermost | 11.2.3, 10.11.11, 11.4.0 |
| github.com | mattermost/mattermost-server | 0, 10.11.0-rc1, 11.2.0-rc1 |
Timeline
- Feb 16, 2026 CVE Published
- Feb 16, 2026 PoC Published
- Mar 16, 2026 EPSS Score
- Mar 17, 2026 CVE Updated
- Mar 17, 2026 EPSS Score
- Mar 18, 2026 EPSS Score
- Mar 18, 2026 Security Advisory
- Mar 19, 2026 EPSS Score
- Mar 20, 2026 EPSS Score
- Mar 21, 2026 EPSS Score
- Mar 22, 2026 EPSS Score
- Mar 22, 2026 Coalition ESS Score