CVE-2026-125388 PUBLISHED

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

Assigner: VulnCheck
Reserved: 09.11.2026 Published: 09.11.2026 Updated: 09.11.2026

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.

CVSS 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
CVSS Score: 7.1

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	High	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	None	Availability	None
Privileges Required	Low
User Interaction	None

CVSS 4.0

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
CVSS Score: 6.5

Attack Vector	Network	Scope	Unchanged
Attack Complexity	Low	Confidentiality Impact	High
Privileges Required	Low	Integrity Impact	None
User Interaction	None	Availability Impact	None

CVSS 3.1

Product Status

Vendor	Intermesh
Product	Group-Office
Versions	Default: unaffected affected from 0 to 6.8.181 (excl.) affected from 25.0.0 to 25.0.116 (excl.) affected from 26.0.0 to 26.0.58 (excl.)

CVE-2026-125388 PUBLISHED

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

Metrics

Product Status

Credits

References

Problem Types