CVE-2026-3116
Essential information
- Published
- 26/03/2026 17:16
- Modified
- 26/03/2026 17:16
- Author
- —
- Creator
- —
- CVSS
- 4.9 MEDIUM (v3.1)
- CISA KEV
- No
- CWE
- —
- CVSS vector
-
—
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H—
CVSS metrics
- Access vector
- —
- Access complexity
- —
- Authentication
- —
- Confidentiality impact
- —
- Integrity impact
- —
- Availability impact
- —
- Exploitability
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- NETWORK
- Attack complexity
- LOW
- Privileges required
- HIGH
- User interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality impact
- NONE
- Integrity impact
- NONE
- Availability impact
- HIGH
- Exploit code maturity
- —
- Remediation level
- —
- Report confidence
- —
- Temporal score
- —
- Attack vector
- —
- Attack complexity
- —
- Attack requirements
- —
- Privileges required
- —
- User interaction
- —
- Confidentiality (V)
- —
- Confidentiality (S)
- —
- Integrity (V)
- —
- Integrity (S)
- —
- Availability (V)
- —
- Availability (S)
- —
- Exploit maturity
- —
Description
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
NVD status
- Status
- Received — CVE has been recently published to the CVE List and has been received by the NVD.
- Source
- [email protected]
- NVD
- View on NVD
Affected products (CPE)
| Product | CPE |
|---|---|
| mattermost / mattermost plugins | cpe:2.3:a:mattermost:mattermost_plugins:<=11.4:*:*:*:*:*:*:* |
| mattermost / mattermost plugins | cpe:2.3:a:mattermost:mattermost_plugins:11.0.4:*:*:*:*:*:*:* |
| mattermost / mattermost plugins | cpe:2.3:a:mattermost:mattermost_plugins:11.1.3:*:*:*:*:*:*:* |
| mattermost / mattermost plugins | cpe:2.3:a:mattermost:mattermost_plugins:11.3.2:*:*:*:*:*:*:* |
| mattermost / mattermost plugins | cpe:2.3:a:mattermost:mattermost_plugins:10.11.11.0:*:*:*:*:*:*:* |