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    CVE-2025-52893

    OpenBao exists to provide a software solution to manage, store, and distribute sensitive data including secrets, certificates, and keys. OpenBao before v2.3.0 may leak sensitive information in logs when processing malformed data. This is separate from the earlier HCSEC-2025-09 / CVE-2025-4166. This issue has been fixed in OpenBao v2.3.0 and later. Like with HCSEC-2025-09, there is no known workaround except to ensure properly formatted requests from all clients.

    Published:Jun 25, 2025
    Last Modified:Aug 12, 2025
    EPS:Jun 25, 2025
    EPSS Score:0.00011
    CVSS Score:4.5

    Affected Products

    Vendor
    Openbao
    Product
    Openbao

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-215 Fuzzing for application mapping

    Related CVEs

    CVE-2026-45808 (CVSS 7.1) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's namespac…
    CVE-2026-46405 (CVSS 5.3) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, in OpenBao's Kerbe…
    CVE-2026-46358 (CVSS 5.4) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.4, OpenBao's inline a…
    CVE-2026-42186 (CVSS 2.3) — OpenBao is an open source identity-based secrets management system. Prior to 2.5.3, when OpenBao's initial nam…
    CVE-2026-40264 (CVSS 2) — OpenBao is an open source identity-based secrets management system. OpenBao's namespaces provide multi-tenant …
    CVE-2026-39396 (CVSS 3.1) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.3, `ExtractPluginFrom…
    CVE-2026-39388 (CVSS 2) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.3, OpenBao's Certific…
    CVE-2026-39946 (CVSS 4.6) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.3, when OpenBao revok…
    CVE-2026-33758 (CVSS 9.4) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao installati…
    CVE-2026-33757 (CVSS 9.6) — OpenBao is an open source identity-based secrets management system. Prior to version 2.5.2, OpenBao does not p…

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High