Bug 2539607 (CVE-2026-77285)

Summary: CVE-2026-77285 github.com/openbao/openbao: OpenBao Agent: Information disclosure via writing secrets to standard output
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
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Priority: medium    
Version: unspecifiedKeywords: Security
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OS: Linux   
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A flaw was found in OpenBao Agent. The agent's exec rendering mode can incorrectly write secrets from env_template to standard output. This occurs when the template runner is re-created after repeated rendering failures, specifically when num_retries is met. A local user, process supervisor, or log collector with access to the standard output could obtain these rendered secret values, leading to information disclosure.
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Description OSIDB Bzimport 2026-09-23 18:22:11 UTC 
OpenBao is an open source identity-based secrets management system. Prior to 2.6.0, OpenBao Agent's exec rendering mode could write secrets from env_template to standard output when command/agent/exec/exec.go re-created the template runner after repeated rendering failures, primarily after num_retries was reached. A process supervisor, log collector, or local user able to read that output could obtain the rendered secret values. This issue is fixed in version 2.6.0.