CVE-2026-23491

critical

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.

References

https://github.com/InvoicePlane/InvoicePlane/security/advisories/GHSA-88gq-mv54-v3fc

https://github.com/InvoicePlane/InvoicePlane/commit/add8bb798dde621f886823065ef1841986543c69

Details

Source: Mitre, NVD

Published: 2026-02-18

Updated: 2026-02-18

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Severity: High

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:H/SI:H/SA:H

Severity: Critical