CVE-2026-34365 — InvoiceShelf is an open-source web & mobile app that helps track expenses,…
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🚨 CVE-2026-34365 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.
What This Means For You
- New vulnerability disclosed — verify if your stack is exposed.
Related ATT&CK Techniques
🛡️ Detection Rules
1 rule · 6 SIEM formats1 detection rule mapped to MITRE ATT&CK. Free Sigma YAML below.
Web Application Exploitation Attempt — CVE-2026-34365
Indicators of Compromise
| ID | Type | Indicator |
|---|---|---|
| CVE-2026-34365 | SSRF | InvoiceShelf version prior to 2.2.0, Estimate PDF generation module, user-supplied HTML in estimate Notes field unsanitised to Dompdf rendering library, exploitable via PDF preview and customer view endpoints. |
Source & Attribution
| Source Platform | Telegram |
| Channel | CVE Notify |
| Published | April 07, 2026 at 18:56 UTC |
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