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.
Written by anthropic/claude-haiku-5.5 from the sources below. Verify against them.
- Exploited
- No known exploitation
- Fix
- Fixed in 6.8.181, 25.0.116, 26.0.58
- Who is exposed
- Specific setups only
Do first: Check whether your setup matches what the bug needs. Affected Group-Office versions: before 6.8.181, 25.0.116, and 26.0.58 (affected 25.x and 26.x builds listed as >= 25.0.0 and >= 26.0.0 below the fixed versions). Attacker must be an authenticated user of Group-Office.
- Last modified
- A 0-100 score for how much a CVE matters across the industry: exploitation, exposure, how widely the software is used, severity and whether a fix exists.What do these mean? →
- 15/100 · provisional
- How many real-world setups can hit the bug, from the vendor's advisory and CISA data. It does not know your setup.What do these mean? →
- Specific setups only
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
Summary
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.
cve.now Index
- Exploitation?/40Unknown. No CISA SSVC exploitation rating yet
- Exposure8/25Specific setups only, reachable over the network
- Reach?/20Unknown. No tracked technology or package matched
- Severity7.1/10CVSS 7.1
- No patch0/5No signal
What would change the score
- Would score about 65 if added to CISA KEV
- Would score about 60 if CISA's SSVC rates exploitation active
- Would score about 22 if CISA's SSVC rates it automatable
What to do
Check whether your setup matches what the bug needs.
Affected Group-Office versions: before 6.8.181, 25.0.116, and 26.0.58 (affected 25.x and 26.x builds listed as >= 25.0.0 and >= 26.0.0 below the fixed versions). Attacker must be an authenticated user of Group-Office.Upgrade to a fixed version: 6.8.181, 25.0.116, 26.0.58.
Timeline
- CVE published
- First seen by cve.now
Affected versions
- 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
Evidence 3
- Advisory
- Repository
- Link
Corrections
None so far.
Something wrong on this page? Report an error. Every fix is listed here.
Questions about CVE-2026-125388
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: cve.now feed data
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: vulncheck.com, github.com
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: cve.now feed data
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: vulncheck.com, github.com
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: vulncheck.com, github.com