Is there a public exploit for CVE-2026-8851?

No public exploit for CVE-2026-8851 was found in Exploit-DB, Metasploit, Nuclei templates or public proof-of-concept repositories. That is an absence of evidence rather than proof that none exists.

How severe is CVE-2026-8851?

CVE-2026-8851 scores CVSS 8.6 (v4.0), rated high. EPSS puts the chance of exploitation in the next 30 days at 0.32%.

What does CVE-2026-8851 affect?

CVE-2026-8851 affects Alinto SOGo Webmail.

8.6 High

SOGo versions 5.12.7 and prior contains a SQL injection vulnerability in the Access Control List management functionality that allows…

CVE-2026-8851

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 sogoacl table and retrieve it through the /acls API, establishing an out-of-band data exfiltration channel.

Assessment

CVSS: 8.6 (v4.0)
Severity: High
EPSS: 0.32% chance of exploitation in the next 30 days
Known exploited: Not listed in CISA KEV
Exploit availability: Nothing found in Exploit-DB, Metasploit, Nuclei or public PoC repositories
Published: 18 May 2026
Last updated: 8 November 2026
Affected: Alinto · SOGo Webmail
Assigner: VulnCheck

CVSS vectorCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N

At the source

EUVD (ENISA)

References

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