CVE-2023-5159— A User Manager role with user edit permissions could manage/update bots
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I. Basic Information for CVE-2023-5159
Vulnerability Information
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Vulnerability Title
A User Manager role with user edit permissions could manage/update bots
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to properly verify the permissions when managing/updating a bot allowing a User Manager role with user edit permissions to manage/update bots.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Source: NVD (National Vulnerability Database)
Vulnerability Type
授权机制不正确
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mattermost 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost是美国Mattermost公司的一个开源协作平台。 Mattermost存在安全漏洞，该漏洞源于无法正确验证权限。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mattermost | Mattermost | 0 ~ 8.7.9 | - |
II. Public POCs for CVE-2023-5159
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-09-29 · 5 CVEs total
| CVE-2023-5195 | 6.5 MEDIUM | A team member can soft delete other teams that they are not part of |
| CVE-2023-5196 | 6.5 MEDIUM | DoS via Channel Notification Properties |
| CVE-2023-5193 | 4.9 MEDIUM | System Role with manage posts permission can read posts of Direct Messages |
| CVE-2023-5194 | 2.7 LOW | A system/user manager can demote / deactivate another manager |
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Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
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Same vendor: Mattermost
- CVE-2026-3590
Race Condition in Guest Magic Link Authentication Allows Tok - CVE-2026-28741
CSRF Protection Bypass Allows Updating a User's Authenticati - CVE-2026-27769
Connected Workspaces: Malicious remote server can manipulate - CVE-2026-24661
Unbounded Request Body Read in MS Teams Plugin {{/changes}} - CVE-2026-21388
Unbounded Request Body Read in MS Teams Plugin {{/lifecycle}
Same weakness: CWE-863
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V. Comments for CVE-2023-5159
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