Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2022-39300

26
FAUCET Score

CVE-2022-39300 is a SAML authentication bypass vulnerability affecting the node-saml library, which is based on passport-saml. A remote attacker can exploit this by providing an arbitrary IDP-signed XML element, potentially allowing for unauthenticated access depending on the IDP configuration. The vulnerability carries a high severity CVSS score of 8.1, indicating a high impact on confidentiality, integrity, and availability, with high attack complexity but no user interaction required. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 4.0.0CPE matchmatch criteria
cpe:2.3:a:node_saml_project:node_saml:*:*:*:*:*:node.js:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:node_saml_project:node_saml:4.0.0:beta0:*:*:*:node.js:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:node_saml_project:node_saml:4.0.0:beta1:*:*:*:node.js:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:node_saml_project:node_saml:4.0.0:beta2:*:*:*:node.js:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:node_saml_project:node_saml:4.0.0:beta3:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.7HIGH

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
5.5
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 17th percentile among its peer group of 8,918 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

github_advisorypatch availablevia nvd_reference
View patch
npmpatch availablevia ghsa
Product: node-samlFixed in: 4.0.0-beta.5

Vendor Advisories (1)

npmGHSA-5p8w-2mvw-38pvhigh

Signature bypass via multiple root elements

Oct 12, 2022

References

github.com / node-saml/node-saml/commit/c1f275c289c01921e58f5c70ce0fdbc5287e5fbe
PatchThird Party Advisory
github.com / node-saml/node-saml/security/advisories/GHSA-5p8w-2mvw-38pv
Third Party Advisory