CVE-2026-55383 InvoiceShelf - Broken Access Control

InvoiceShelf < 2.4.0 contains an information disclosure caused by improper verification of EmailLog token's mailable_type and expiration in public customer invoice, estimate, and payment routes, letting attackers access other companies' documents and use expired tokens, exploit requires crafted token with numeric identifier collision.

CVSS base score 8.2 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
View the NVD record ↗

Details

Type
Broken Access Control
Impact
Information Disclosure
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
Published
14 October 2026
Updated
15 October 2026
Weakness
CWE-285

Vendor fix

Update to version 2.4.0 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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