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CVE-2026-46358— OpenBao's Inline Auth Incorrectly Redacted Headers

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是OpenBao组织开源的一款提供加密与身份权限管理功能的软件。 OpenBao 2.5.4之前版本存在日志信息泄露漏洞，该漏洞源于内联认证功能错误编辑审计日志条目，导致认证相关标头以明文保留，可能泄露源认证材料。

CVSS 5.4 · Medium EPSS 0.21% · P10

Affected Version Matrix 1

VendorProduct Version RangeStatus
openbao openbao < 2.5.4 affected
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I. Basic Information for CVE-2026-46358

Vulnerability Information
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Vulnerability Title
OpenBao's Inline Auth Incorrectly Redacted Headers
Source: CVE Program / CVE List V5
Vulnerability Description
OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's inline auth functionality incorrectly redacted audit log entries, resulting in non-auth headers being removed and auth-related headers being retained in cleartext. This requires an attacker to compromise access to the audit device. Operators should review leaked source authentication material and rotate it as appropriate. This is fixed in OpenBao v2.5.4.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
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
Vulnerability Title
OpenBao 日志信息泄露漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OpenBao是OpenBao组织开源的一款提供加密与身份权限管理功能的软件。 OpenBao 2.5.4之前版本存在日志信息泄露漏洞，该漏洞源于内联认证功能错误编辑审计日志条目，导致认证相关标头以明文保留，可能泄露源认证材料。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openbao openbao < 2.5.4 -

II. Public POCs for CVE-2026-46358

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III. Intelligence Information for CVE-2026-46358

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Patches & Fixes for CVE-2026-46358 (3)

Vendor Advisories for CVE-2026-46358 (1)

Vendor Pages for CVE-2026-46358 (1)

Same Patch Batch · openbao · 2026-08-07 · 3 CVEs total

CVE-2026-45808 7.1 HIGH OpenBao's cross-namespace lease revocation via legacy sys/revoke path bypasses ACL
CVE-2026-46405 5.3 MEDIUM OpenBao's Kerberos Auth Method Accumulates Unaccessible Tokens

IV. Related Vulnerabilities

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

V. Comments for CVE-2026-46358

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