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Vulnerabilities

Vulnerability · CVE-2026-23491

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments.

Published Feb 18, 2026 · catalog updated Feb 25, 2026 · InvoicePlane InvoicePlane

Last checked Nov 12, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2026-23491. EPSS is 4.61%. Act only if a listed version of InvoicePlane InvoicePlane is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.

Same product and reporting

Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
4.61%
Remediation
Version ranges on file
Affected products
vendor InvoicePlane InvoicePlane < 1.6.4

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the method of the module's 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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor InvoicePlane InvoicePlane < 1.6.4< 1.6.4

How to fix CVE-2026-23491

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-23491. EPSS is 4.61%. Act only if a listed version of InvoicePlane InvoicePlane is installed.

Which versions are affected?

Compare what you have installed with InvoicePlane InvoicePlane < 1.6.4 < 1.6.4. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 4.61%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Feb 18, 2026 · EUVD

    Detected

    InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the method of the module's 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 inf

  2. Feb 25, 2026 · EUVD

    Updated

    InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the method of the module's 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 inf

Sources

  • CVE.orgVulnerability recordCVE-2026-23491

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-23491

    30-day exploitation probability 4.61%

    first.org
  • EUVDVulnerability recordEUVD-2026-7928

    InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. A path traversal vulnerability exists in the method of the module's controller in InvoicePlane up to and including through 1.6.3. The vulnerability allows unauthenticated attackers

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 12, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSNov 9, 2026
  • CVE.orgNov 9, 2026
  • EUVDNov 9, 2026