CVE-2026-33755

Authenticated SQL Injection in Contact/query addressBookIds filter

State: Published
Severity: 8.8 High
Published: Mar 27, 2026
Updated: Mar 27, 2026
Reserved: Mar 23, 2026

Description

Group-Office is an enterprise customer relationship management and groupware tool. Prior to versions 6.8.158, 25.0.92, and 26.0.17, an authenticated SQL Injection vulnerability in the JMAP `Contact/query` endpoint allows any authenticated user with basic addressbook access to extract arbitrary data from the database — including active session tokens of other users. This enables full account takeover of any user, including the System Administrator, without knowing their password. Versions 6.8.158, 25.0.92, and 26.0.17 fix the issue.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H	GitHub_M

Weaknesses

CWE-89 Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Affected Products

Product	Versions
groupofficeIntermesh	< 6.8.158Affected < 25.0.92Affected < 26.0.17Affected

References

https://github.com/Intermesh/groupoffice/security/advisories/GHSA-3gc4-5993-c2qc

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