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CVE-2026-93453— SOGo before 5.12.11 Password Reset Token Interception via Origin Header

Quick assessment

Affected
Alinto SOGo
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.

SOGo 在 5.12.11 版本之前，在构建密码重置链接时，会直接使用客户端提供的 Origin 头字段作为权威（authority）部分，从而允许未经身份验证的攻击者将重置令牌重定向至攻击者控制的域名。攻击者可以通过提交包含恶意 Origin 头的密码恢复请求，使有效的密码重置令牌通过指向攻击者基础设施的链接被发送至受害者的恢复邮箱，进而导致账户被接管。

CVSS 8.3 · High EPSS 0.49% · P40

Possible ATT&CK Techniques 1 AI

T1557 · Adversary-in-the-Middle

Affected Version Matrix 1

VendorProduct Version RangeStatus
Alinto SOGo < 5.12.11 affected
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I. Basic Information for CVE-2026-93453

Vulnerability Information
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Vulnerability Title
SOGo before 5.12.11 Password Reset Token Interception via Origin Header
Source: CVE Program / CVE List V5
Vulnerability Description
SOGo before 5.12.11 constructs password-reset links using the client-supplied Origin header as the authority, allowing unauthenticated attackers to redirect recovery tokens to attacker-controlled domains. Attackers can submit password recovery requests with a malicious Origin header to have valid password-reset tokens mailed to victim recovery addresses within links pointing to attacker infrastructure, enabling account takeover.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:L
Source: CVE Program / CVE List V5
Vulnerability Type
忘记口令恢复机制弱
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Alinto SOGo 0 ~ 5.12.11 -

II. Public POCs for CVE-2026-93453

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-93453

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Patches & Fixes for CVE-2026-93453 (1)

Other References for CVE-2026-93453 (2)

IV. Related Vulnerabilities

Same product: SOGo
Same vendor: Alinto
Same weakness: CWE-640

V. Comments for CVE-2026-93453

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