What’s Vulnerable › Vulnerabilities

CVE-2026-8851: SOGo < 5.12.8 SQL Injection via addUserInAcls endpoint

• Severity: high (CVSS 8.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-18 · updated 2026-07-23
• Weakness: CWE-89

Description

SOGo versions 5.12.7 and prior contains a SQL injection vulnerability in the Access Control List management functionality that allows authenticated users to extract arbitrary data from the database by injecting SQL subqueries through the uid parameter of the addUserInAcls endpoint. Attackers can inject malicious SQL code to write extracted data into the sogo_acl table and retrieve it through the /acls API, establishing an out-of-band data exfiltration channel.

Affected products

• Alinto SOGo Webmail: all versions

References

• https://github.com/Alinto/sogo/releases/tag/SOGo-5.12.8
• https://www.sogo.nu/news/2026/sogo-v5128-released.html
• https://www.vulncheck.com/advisories/sogo-sql-injection-via-adduserinacls-endpoint

Get alerted when CVE-2026-8851 or the next vulnerability affects your stack