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A vulnerability in Node-SAML (<=5.0.1) allows tampering of authentication assertions due to improper verification of unsigned SAML content.
Attackers with access to a valid SAML response from an identity provider can manipulate the assertion to alter authentication details, including usernames. This could lead to unauthorized access or impersonation.
Node-SAML
Remediation: Upgrade Node-SAML to version 5.1.0, which includes a fix for this issue.
Official patch available in version 5.1.0 of Node-SAML.
None provided. Immediate upgrade is recommended.
Audit all SAML assertions for integrity.
Monitor SAML authentication flows for inconsistencies.
Not specified
Not specified
No references provided
No affected organizations specified
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