Vulnerability Description
InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the `get_file` method of the `Guest` module's `Get` controller in InvoicePlane up to and including through 1.6.3. The vulnerability allows unauthenticated attackers to read arbitrary files on the server by manipulating the input filename. This leads to the disclosure of sensitive information, including configuration files with database credentials. Version 1.6.4 fixes the issue.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Invoiceplane | Invoiceplane | < 1.6.4 |
Related Weaknesses (CWE)
References
- https://github.com/InvoicePlane/InvoicePlane/commit/add8bb798dde621f886823065ef1Patch
- https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-88gq-mv54-ExploitVendor Advisory
FAQ
What is CVE-2026-23491?
CVE-2026-23491 is a vulnerability with a CVSS score of 7.5 (HIGH). InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the `get_file` method of the `Guest` module's `Get` control...
How severe is CVE-2026-23491?
CVE-2026-23491 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-23491?
Check the references section above for vendor advisories and patch information. Affected products include: Invoiceplane Invoiceplane.