Medium severity · published Sep 1, 2026
CVE-2026-83744
invoiceninja Invoice Ninja invoices Endpoint Purify.php isHostSafe server-side request forgery
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 28% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
IN
Invoice Ninja · invoiceninja
5.13.0; 5.13.1; 5.13.2; 5.13.3; 5.13.4; 5.13.5; +21 more · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-83744
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-83744
ashutosh-jena.in
https://ashutosh-jena.in/blog/server-side-request-forgery-ssrf-in-invoice-ninja-pdf-rendering-v51326
vuldb.com
https://vuldb.com/cve/CVE-2026-83744
vuldb.com
https://vuldb.com/submit/880055
vuldb.com
https://vuldb.com/vuln/397500
vuldb.com
https://vuldb.com/vuln/397500/cti
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