What is CVE-2026-34366?

CVE-2026-34366 is a high-severity vulnerability in Invoiceshelf, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-03-31.

How severe is CVE-2026-34366?

High severity. CVSS v3 base score is 7.6 out of 10.

SSRF in Invoiceshelf

CVE-2026-34366

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 Payment receipt PD…

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.000 (10.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N.

Affected products

Invoiceshelf — versions < 2.2.0

Weakness classification (CWE)

CWE-918 — Server-Side Request Forgery (SSRF)

References

https://github.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-38hf-fq8x-q49r (x_refsource_CONFIRM)
https://github.com/InvoiceShelf/InvoiceShelf/releases/tag/2.2.0 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-34366?: CVE-2026-34366 is a high-severity vulnerability in Invoiceshelf, classified under Server-Side Request Forgery (SSRF). CVSS score: 7.6/10. Published 2026-03-31.
How severe is CVE-2026-34366?: High severity. CVSS v3 base score is 7.6 out of 10.