GitHub Advisory DatabaseGHSA-XGXJ-J98C-59RVMattermost fails to properly restrict the access of files attached to posts
3.1 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
6.8 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.0%
Mattermost fails to properly restrict the access of files attached to posts in an archived channel, resulting in members being able to access files of archived channels even if the “Allow users to view archived channels” option is disabled.
Affected configurations
| CPE | Name | Operator | Version |
|---|---|---|---|
| github.com/mattermost/mattermost/server/v8 | lt | 8.1.9 | |
| github.com/mattermost/mattermost/server/v8 | lt | 9.4.2 |
Related
3.1 Low
CVSS3
Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
NONE
Availability Impact
NONE
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
6.8 Medium
AI Score
Confidence
High
0.0004 Low
EPSS
Percentile
9.0%