XML Injection Affecting samlify package, versions <2.13.0
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
Do your applications use this vulnerable package?
In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.
Test your applications- Snyk IDSNYK-JS-SAMLIFY-16796318
- published22 May 2026
- disclosed21 May 2026
- creditDhiraj Mishra
Introduced: 21 May 2026
CVE-2026-46490 (opens in a new tab)How to fix?
Upgrade samlify to version 2.13.0 or higher.
Overview
samlify is a Highly configuarable Node.js SAML 2.0 library for Single Sign On.
Affected versions of this package are vulnerable to XML Injection via the replaceTagsByValue() function. An attacker can inject arbitrary XML markup into SAML assertions by supplying crafted attribute values, leading to unauthorized attribute creation and privilege escalation when these attributes are used for authorization.