CVE-2024-23488— Files of archived channels accessible with the “Allow users to view archived channels” option disabled
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I. Basic Information for CVE-2024-23488
Vulnerability Information
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Vulnerability Title
Files of archived channels accessible with the “Allow users to view archived channels” option disabled
Source: NVD (National Vulnerability Database)
Vulnerability Description
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.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
访问控制不恰当
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 9.4.2之前版本和8.1.9之前版本存在安全漏洞，该漏洞源于存在文件访问限制绕过漏洞。
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 ~ 8.1.8 | - |
II. Public POCs for CVE-2024-23488
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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Same Patch Batch · Mattermost · 2024-02-29 · 9 CVEs total
| CVE-2024-23493 | 4.3 MEDIUM | Team associated AD/LDAP Groups Leaked due to missing authorization |
| CVE-2024-1887 | 4.3 MEDIUM | Public channel post content accessible without membership when compliance export is enable |
| CVE-2024-24988 | 4.3 MEDIUM | Excessive resource consumption when sending long emoji names in user custom status |
| CVE-2024-1888 | 4.3 MEDIUM | Existing server guests invited to the team by members without "invite_guest" permission |
| CVE-2024-1942 | 4.3 MEDIUM | Mattermost 安全漏洞 |
| CVE-2024-1953 | 4.3 MEDIUM | Mattermost 安全漏洞 |
| CVE-2024-1952 | 3.1 LOW | Mattermost 安全漏洞 |
| CVE-2024-1949 | 2.6 LOW | Mattermost 安全漏洞 |
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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-284
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V. Comments for CVE-2024-23488
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