CVE-2026-125388

Group-Office before 6.8.181, 25.0.116, and 26.0.58 Missing Authorization in Forms Report Download

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: None
Availability: None

Exploit likelihood

0.23%Unchanged since Nov 10, 2026

What each source reports

CVE List Score used7.1

Group-Office before 6.8.181, 25.0.116, and 26.0.58 Missing Authorization in Forms Report Download

Record: CVE-2026-125388
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-10

EUVDEUVD-2026-1205517.1

Record: EUVD-2026-120551
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Updated: 2026-11-10

GitHub AdvisoriesGHSA-mp2v-gg3m-qvpx7.1

Intermesh Group-Office before 6.8.181, 25.0.116, and 26.0.58 contains a missing authorization...

Record: GHSA-mp2v-gg3m-qvpx
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-10

NVD7.1

Record: CVE-2026-125388
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-862
Updated: 2026-11-10

OSV7.1

Group-Office before 6.8.181, 25.0.116, and 26.0.58 Missing Authorization in Forms Report Download

Record: CVE-2026-125388
CVSS 4.0: 7.1 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Weakness: CWE-862
Updated: 2026-11-11

Affected products

History

History
Recorded	Changed	Sources
Nov 10, 2026	references	CVE List
Nov 10, 2026	published	EUVD
Nov 10, 2026	aliases, references	NVD, OSV
Nov 10, 2026	published	EUVD
Nov 10, 2026	aliases, references	GitHub Advisories
Nov 10, 2026	cwes, products, references, severity, title	CVE List
Nov 10, 2026	first indexed	EUVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-125388 is a high vulnerability (CVSS 7.1) in Intermesh Group-office, published November 9, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 14th percentile. No source names a fixed version.