EUVD-2025-18757
GHSA-4578-6gjh-f2jm
4.3
CVSS 3.1
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CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Lifecycle Timeline
4
Patch Released
Mar 31, 2026 - 21:13 nvd
Patch available
EUVD ID Assigned
Mar 15, 2026 - 00:19 euvd
EUVD-2025-18757
Analysis Generated
Mar 15, 2026 - 00:19 vuln.today
CVE Published
Jun 20, 2025 - 15:15 nvd
MEDIUM 4.3
Description
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
Analysis
Mattermost versions 10.5.x <= 10.5.5, 9.11.x <= 9.11.15, 10.8.x <= 10.8.0, 10.7.x <= 10.7.2, 10.6.x <= 10.6.5 fail to properly retrieve requestorInfo from playbooks handler for guest users which allows an attacker access to the playbook run.
Technical Context
This vulnerability is classified as Incorrect Authorization (CWE-863).
Affected Products
Affected products: Mattermost Mattermost Server
Remediation
Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.
Priority Score
22
Low
Medium
High
Critical
KEV: 0
EPSS: +0.1
CVSS: +22
POC: 0
Vendor Status
Debian
Bug #823556mattermost-server
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| open | - | - |
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External POC / Exploit Code
Leaving vuln.today
Destination URL
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