The XML Signature of this SAML message cannot be validated Please verify that the saml realm uses the correct SAML – How to solve this Elasticsearch error

Opster Team

Aug-23, Version: 6.8-7.15

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Briefly, this error occurs when Elasticsearch cannot validate the XML Signature of a SAML message. This usually happens if the SAML realm is not configured correctly or is using incorrect SAML metadata. To resolve this issue, you can check the SAML realm configuration in Elasticsearch and ensure it matches with your Identity Provider’s metadata. Also, verify that the correct X.509 certificate is being used for signature validation. If the problem persists, you may need to update or refresh your SAML metadata.

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This guide will help you check for common problems that cause the log ” The XML Signature of this SAML message cannot be validated. Please verify that the saml realm uses the correct SAML ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “The XML Signature of this SAML message cannot be validated. Please verify that the saml realm uses the correct SAML” classname is SamlObjectHandler.java.
We extracted the following from Elasticsearch source code for those seeking an in-depth context :

    /**
     * Constructs a SAML specific exception with a consistent message regarding SAML Signature validation failures
     */
    private ElasticsearchSecurityException samlSignatureException(List credentials; String signature; Exception cause) {
        logger.warn("The XML Signature of this SAML message cannot be validated. Please verify that the saml realm uses the correct SAML" +
                "metadata file/URL for this Identity Provider");
        final String msg = "SAML Signature [{}] could not be validated against [{}]";
        return samlException(msg; cause; signature; describeCredentials(credentials));
    }

 

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