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CVE-2026-33550

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是Alinto开源的一个非常快速且可扩展的现代协作套件。它提供日历、地址簿管理和功能齐全的 Webmail 客户端以及资源共享和权限处理。 SOGo 5.12.5之前版本存在安全漏洞，该漏洞源于用户禁用或启用OTP时未更新OTP且OTP长度过短，可能导致安全措施不足。

CVSS 2.0 · Low EPSS 0.21% · P10

Possible ATT&CK Techniques 1 AI

T1528 · Steal Application Access Token
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I. Basic Information for CVE-2026-33550

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
SOGo before 5.12.5 does not renew the OTP if a user disables/enables it, and has a too short length (only 12 digits instead of the 20 recommended).
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用单一因素认证机制
Source: CVE Program / CVE List V5
Vulnerability Title
SOGo 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
SOGo是Alinto开源的一个非常快速且可扩展的现代协作套件。它提供日历、地址簿管理和功能齐全的 Webmail 客户端以及资源共享和权限处理。 SOGo 5.12.5之前版本存在安全漏洞，该漏洞源于用户禁用或启用OTP时未更新OTP且OTP长度过短，可能导致安全措施不足。
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
Alinto SOGo 0 ~ 5.12.5 -

II. Public POCs for CVE-2026-33550

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III. Intelligence Information for CVE-2026-33550

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Patches & Fixes for CVE-2026-33550 (1)

Vendor Pages for CVE-2026-33550 (1)

IV. Related Vulnerabilities

Same product: SOGo
Same vendor: Alinto
Same weakness: CWE-308

V. Comments for CVE-2026-33550

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