VDB
CVE-2026-3116
CVE-2026-3116
PUBLISHED
CVSS 4.900000095367432 MEDIUM
Mattermost Plugins versions <=11.4 11.0.4 11.1.3 11.3.2 10.11.11.0 fail to validate incoming request size which allows an authenticated attacker to cause service disruption via the webhook endpoint. Mattermost Advisory ID: MMSA-2026-00589
EPSS 0.02% · 4.8th percentile
Risk Scores
CVSS 3.1
4.900000095367432
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.02%
4.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Mattermost | Mattermost | 0, 0, 0 |
Exploit Intelligence
- MMSA-2026-00589 (circl)
Timeline
- Mar 26, 2026 CVE Published
- Mar 26, 2026 CVE Updated
- Mar 27, 2026 Coalition ESS Score
- Mar 27, 2026 Security Advisory
- Mar 29, 2026 Security Advisory
- May 18, 2026 EPSS Score
- May 19, 2026 EPSS Score
- May 20, 2026 EPSS Score
- May 21, 2026 EPSS Score
- May 22, 2026 EPSS Score
- May 23, 2026 EPSS Score
- May 24, 2026 EPSS Score
References
- MMSA-2026-00589 vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-3116 advisory