GitHub Advisory DatabaseGHSA-W88V-PJR8-CMV2Mattermost viewing archived public channels permissions vulnerability
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.8 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%
Mattermost fails to properly verify the permissions needed for viewing archived public channels, allowing a member of one team to get details about the archived public channels of another team via the GET /api/v4/teams/<team-id>/channels/deleted endpoint.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8 | le | 8.1.0 | |
| github.com/mattermost/mattermost-server/v6 | le | 7.8.9 |
Related
4.3 Medium
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
6.8 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
14.2%