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TI-2026-57726 Aliases CVE-2026-83744GHSA-wgqw-w7f3-xcj4

invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery

Priority MEDIUM 57CWE-918Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Information disclosure
Confidentiality · integrity · availability
Low · None · None
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-918 and the CVSS impact.

Summary

A security vulnerability has been detected in invoiceninja Invoice Ninja up to 5.13.26. This vulnerability affects the function Purify::isHostSafe of the file app/Services/Pdf/Purify.php of the component invoices Endpoint. The manipulation of the argument notes leads to server-side request forgery. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00348 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
invoiceninjaInvoice Ninja5.13.0; 5.13.1; 5.13.2; 5.13.3; 5.13.4; 5.13.5; 5.13.6; 5.13.7; 5.13.8; 5.13.9; 5.13.10; 5.13.11; 5.13.12; 5.13.13; 5.13.14; 5.13.15; 5.13.16; 5.13.17; 5.13.18; 5.13.19; 5.13.20; 5.13.21; 5.13.22; 5.13.23; 5.13.24; 5.13.25; 5.13.26—No fix listedCNA
  • Invoice Ninja Vendorinvoiceninja Affected 5.13.0; 5.13.1; 5.13.2; 5.13.3; 5.13.4; 5.13.5; 5.13.6; 5.13.7; 5.13.8; 5.13.9; 5.13.10; 5.13.11; 5.13.12; 5.13.13; 5.13.14; 5.13.15; 5.13.16; 5.13.17; 5.13.18; 5.13.19; 5.13.20; 5.13.21; 5.13.22; 5.13.23; 5.13.24; 5.13.25; 5.13.26 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:invoiceninja:invoice_ninja:*:*:*:*:*:*:*:*——invoiceninja
  • cpe:2.3:a:invoiceninja:invoice_ninja:*:*:*:*:*:*:*:* Versions — — ·invoiceninja

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-83744
  2. 2026-10-03 Alias added: GHSA-wgqw-w7f3-xcj4

References

  • TI-2026-23400 Invoice Ninja v5.12.46 and v5.12.48 is vulnerable to Server-Side Request Forgery (SSRF) in CheckDatabaseRequest.php. CVSS 3.1HIGH 7.7
  • TI-2026-26121 Invoice Ninja has Stored XSS via Markdown HTML Injection in Product Notes CVSS 3.1MEDIUM 5.4
  • TI-2026-26010 Invoice Ninja Denylist Bypass may Lead to Stored XSS via Invoice Line Items CVSS 3.1MEDIUM 5.4
  • TI-2026-57725 invoiceninja Invoice Ninja Vendor Portal Profile Update profile authorization CVSS 4.0MEDIUM 5.3
  • TI-2026-42060 Invoice Ninja 5.13.26 - Open Redirect in Client Portal Login via intended Parameter CVSS 4.0MEDIUM 5.3
  • TI-2026-49904 InvoiceNinja - Stored XSS via Invoice/Quote Terms Field CVSS 3.1HIGH 8.7
See all 13 →

Sources