CVE-2023-5968— Password hash in response body after username update
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I. Basic Information for CVE-2023-5968
Vulnerability Information
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Vulnerability Title
Password hash in response body after username update
Source: NVD (National Vulnerability Database)
Vulnerability Description
Mattermost fails to properly sanitize the user object when updating the username, resulting in the password hash being included in the response body.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
信息暴露
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，该漏洞源于在更新username时未能正确清理user对象，导致密码哈希包含在响应体中。
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 ~ 7.8.11 | - |
II. Public POCs for CVE-2023-5968
| # | POC Description | Source Link | Shenlong Link |
|---|
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Same Patch Batch · Mattermost · 2023-11-06 · 3 CVEs total
| CVE-2023-5969 | 5.3 MEDIUM | Denial of Service via Link Preview in /api/v4/redirect_location |
| CVE-2023-5967 | 4.3 MEDIUM | Denial of Service via crashing the Calls Plugin |
IV. Related Vulnerabilities
Same product: Mattermost
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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 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-200
- CVE-2026-42333
quarkus-openapi-generator has overly broad path-parameter ma - CVE-2026-8198
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AnythingLLM: Cross-User TTS Audio Disclosure via Chat ID (ID - CVE-2026-41520
Cillium exposes sensitive information included in the cilium - CVE-2026-25199
Apache CloudStack: Proxmox Extension Allows Unauthorized Cro
V. Comments for CVE-2023-5968
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