CVE-2025-59480— Inadequate validation of SSO redirect credentials permits credential theft
Quick assessment
Affected
Mattermost Mattermost
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Mattermost Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.32.0及之前版本存在安全漏洞，该漏洞源于未验证SSO重定向令牌来源，可能导致获取用户会话凭据。
Possible ATT&CK Techniques 1 AI
T1557 · Adversary-in-the-Middle
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I. Basic Information for CVE-2025-59480
Vulnerability Information
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Vulnerability Title
Inadequate validation of SSO redirect credentials permits credential theft
Source: CVE Program / CVE List V5
Vulnerability Description
Mattermost Mobile Apps versions <=2.32.0 fail to verify that SSO redirect tokens originate from the trusted server, which allows a malicious Mattermost instance or on-path attacker to obtain user session credentials via crafted token-in-URL responses
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
跨站请求伪造(CSRF)
Source: CVE Program / CVE List V5
Vulnerability Title
Mattermost Mobile Apps 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mattermost Mobile Apps是美国Mattermost公司的一款消息传递移动应用程序。 Mattermost Mobile Apps 2.32.0及之前版本存在安全漏洞，该漏洞源于未验证SSO重定向令牌来源，可能导致获取用户会话凭据。
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 ~ 2.32.0 | - |
|
II. Public POCs for CVE-2025-59480
| # | POC Description | Source Link | Shenlong Link |
|---|
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V. Comments for CVE-2025-59480
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