CVE-2026-55610 InvoiceShelf - Broken Access Control

InvoiceShelf < 2.4.1 contains a broken access control vulnerability caused by improper user ownership verification in multi-company installations, letting company owners read and overwrite user accounts across companies, exploit requires owner privileges.

CVSS base score 8.7 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.30% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure, Data Tampering, Privilege Escalation
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:N
Published
23 September 2026
Updated
15 October 2026
Weakness
CWE-639

Vendor fix

Upgrade to version 2.4.1 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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