CVE-2025-54369 is a critical vulnerability in Node-SAML versions 5.0.1 and below, a framework-independent Node.js SAML library. It allows attackers to modify authentication details within valid SAML assertions, such as altering usernames, because the library loads unsigned assertion data rather than the cryptographically verified parts of the response. This vulnerability has a CVSS score of 9.3 (CRITICAL) due to its network-based attack vector, low attack complexity, and high impact on confidentiality and integrity. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Node-Saml | Node-Saml | < 5.1.0CNA affected |
CVSS version used by this source: 4.0
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.