Reachable Assertion Affecting lasso package, versions [,2.9.0)
Threat Intelligence
Exploit Maturity
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
Proof of Concept
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Test your applications- Snyk IDSNYK-UNMANAGED-LASSO-13843666
- published6 Nov 2025
- disclosed5 Nov 2025
- creditKeane O'Kelley
Introduced: 5 Nov 2025
NewCVE-2025-46705 (opens in a new tab)Common Vulnerabilities and Exposures (CVE) are common identifiers for publicly known security vulnerabilities
Common Weakness Enumeration (CWE) is a category system for software weaknesses
How to fix?
Upgrade lasso to version 2.9.0 or higher.
Overview
Affected versions of this package are vulnerable to Reachable Assertion in the g_assert_not_reached() function when build with g_assert_not_reached macro enabled (enabled by default). An attacker can cause the application to crash or become unresponsive by sending a specially crafted SAML assertion response.