CVE-2026-65516
Received Received - Intake

Unauthenticated SSRF in Ultimate Invoice <= 2.2.6

Publication date: 2026-07-23

Last updated on: 2026-07-23

Assigner: Patchstack

Description
Unauthenticated Server Side Request Forgery (SSRF) in PeproDev Ultimate Invoice <= 2.2.6 versions.

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Meta Information

Published
2026-07-23
Last Modified
2026-07-23
Generated
2026-07-23
AI Q&A
2026-07-23
EPSS Evaluated
N/A
NVD
CVE-2026-65516
EUVD
EUVD-2026-48120

Affected Vendors & Products

Showing 1 associated CPE
Vendor Product Version / Range
peprodev ultimate_invoice to 2.2.6 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-918 The web server receives a URL or similar request from an upstream component and retrieves the contents of this URL, but it does not sufficiently ensure that the request is being sent to the expected destination.

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Executive Summary

This is an Unauthenticated Server Side Request Forgery (SSRF) vulnerability affecting PeproDev Ultimate Invoice versions 2.2.6 and below. SSRF allows an attacker to make server-side requests to internal or external systems without proper authentication, potentially leading to unauthorized access to sensitive data or internal services.

Impact Analysis

An attacker could exploit this to access internal systems, retrieve sensitive information, or interact with services behind firewalls. This may lead to data breaches, unauthorized actions, or further network compromise depending on the exposed services.

Compliance Impact

This vulnerability could lead to unauthorized data access or exfiltration, violating GDPR's data protection principles or HIPAA's security requirements. Non-compliance may result in legal penalties, fines, or reputational damage.

Mitigation Strategies

Immediately update PeproDev Ultimate Invoice to the latest version beyond 2.2.6 to patch the SSRF vulnerability. If an update is unavailable, consider disabling the software or restricting network access to prevent exploitation.

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