Vulnerability Description
InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. Prior to version 2.2.0, a Server-Side Request Forgery (SSRF) vulnerability exists in the Invoice PDF generation module. User-supplied HTML in the invoice Notes field is passed unsanitised to the Dompdf rendering library, which will fetch any remote resources referenced in the markup. This can be triggered via the PDF preview and email delivery endpoints. This issue has been patched in version 2.2.0.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Invoiceshelf | Invoiceshelf | < 2.2.0 |
Related Weaknesses (CWE)
References
- https://github.com/InvoiceShelf/InvoiceShelf/releases/tag/2.2.0Product
- https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-q9wx-ggwq-ExploitVendor Advisory
FAQ
What is CVE-2026-34367?
CVE-2026-34367 is a vulnerability with a CVSS score of 7.6 (HIGH). InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates. Prior to version 2.2.0, a Server-Side Request Forgery (SSRF) vulnera...
How severe is CVE-2026-34367?
CVE-2026-34367 has been rated HIGH with a CVSS base score of 7.6/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-34367?
Check the references section above for vendor advisories and patch information. Affected products include: Invoiceshelf Invoiceshelf.