Is CVE-2026-34365 actively exploited?

No active exploitation of CVE-2026-34365 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2026-34365 be exploited remotely?

Yes. CVE-2026-34365 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-34365?

CVE-2026-34365 has a CVSS score of 7.6 (HIGH).

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HIGH

CVE-2026-34365

CWE-918Published: March 31, 2026· Updated: Apr 1, 2026

7.6

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:7.2th

Official 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 Estimate PDF generation module. User-supplied HTML in the estimate Notes field is passed unsanitised to the Dompdf rendering library, which will fetch any remote resources referenced in the markup. The vulnerability is exploitable directly via the PDF preview and customer view endpoints regardless of whether automated email attachments are enabled. This issue has been patched in version 2.2.0.

NVD Source

Technical Analysis

CVE-2026-34365 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires high privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 7.6.

The vulnerability has a "Changed" scope, meaning successful exploitation can impact components beyond the vulnerable component itself — such as the host operating system or adjacent services.