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CVE-2026-77285— OpenBao Agent Writes Secrets to Stdout

Quick assessment

Affected
openbao openbao
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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 rende

CVSS 2.4 · Low

Affected Version Matrix 1

VendorProduct Version RangeStatus
openbao openbao < 2.6.0 affected
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I. Basic Information for CVE-2026-77285

Vulnerability Information

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Vulnerability Title
OpenBao Agent Writes Secrets to Stdout
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:A/VC:L/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
通过日志文件的信息暴露
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
openbao openbao < 2.6.0 -

II. Public POCs for CVE-2026-77285

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III. Intelligence Information for CVE-2026-77285

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Patches & Fixes for CVE-2026-77285 (4)

Vendor Pages for CVE-2026-77285 (1)

Other References for CVE-2026-77285 (1)

Same Patch Batch · openbao · 2026-09-23 · 3 CVEs total

CVE-2026-63132 9.2 CRITICAL OpenBao's Recovery Mode Vulnerable To Token Leakage via Timing Attack
CVE-2026-63131 6.0 MEDIUM OpenBao LIST ACL bypass: a trailing-slash LIST request skips a more-specific deny rule (un

IV. Related Vulnerabilities

Same product: openbao
Same vendor: openbao
Same weakness: CWE-532

V. Comments for CVE-2026-77285

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