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CVE-2026-34365

7.6 · HIGH

InvoiceShelf is an open-source web & mobile app that helps track expenses, payments and create professional invoices and estimates.

Published Mar 31, 2026CWE-918EPSS 0.35%

Overview

CVE-2026-34365 is a high-severity vulnerability. It was published on March 31, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

GitHubgithub.com/InvoiceShelf/InvoiceShelf/releases/tag/2.2.0GitHubgithub.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-pc5v-8xwc-v9xqGitHubgithub.com/InvoiceShelf/InvoiceShelf/security/advisories/GHSA-pc5v-8xwc-v9xq

How CyberStrike helps

Frequently asked questions

What is CVE-2026-34365?

CVE-2026-34365 is a high-severity vulnerability. It was published on March 31, 2026 and has a CVSS 3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-34365?

This vulnerability has a CVSS 3.1 base score of 7.6, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-34365?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-34365?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-34365 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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