Failed to verify signed authentication information – How to solve this Elasticsearch exception

Opster Team

August-23, Version: 6.8-8.9

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Briefly, this error occurs when Elasticsearch cannot validate the signed authentication information, possibly due to incorrect or expired credentials, or a misconfigured authentication system. To resolve this issue, you can: 1) Check and update your credentials; 2) Verify your authentication system’s configuration; 3) Ensure your system’s time is synchronized, as time discrepancies can cause authentication failures; 4) If using a third-party authentication service, ensure it’s properly integrated with Elasticsearch.

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This guide will help you check for common problems that cause the log ” failed to verify signed authentication information ” to appear. To understand the issues related to this log, read the explanation below about the following Elasticsearch concepts: plugin.

Log Context

Log “failed to verify signed authentication information” class name is We extracted the following from Elasticsearch source code for those seeking an in-depth context :

 }  @Override
 ElasticsearchSecurityException tamperedRequest() {
 auditTrail.tamperedRequest(requestId; action; transportRequest);
 return new ElasticsearchSecurityException("failed to verify signed authentication information");
 }  @Override
 ElasticsearchSecurityException exceptionProcessingRequest(Exception e; @Nullable AuthenticationToken token) {
 if (token != null) {


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