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    CVE-2026-115363

    OpenBao 2.2.0 before 2.6.4 and 2.7.0 before 2.7.1 contains an information disclosure vulnerability that exposes the tls_acme_eab_mac_key value through the sys/config/state/sanitized endpoint. Callers of the sanitized configuration endpoint can retrieve the ACME External Account Binding MAC key used for TLS listener certificates, letting them bind to the operator's ACME account.

    Published:Oct 22, 2026
    Last Modified:Oct 29, 2026
    EPS:Oct 22, 2026
    EPSS Score:0.00125
    CVSS Score:3.3

    Affected Products

    Vendor
    Openbao
    Product
    Openbao

    Exploits

    No exploit reference

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-168 Windows ::DATA Alternate Data Stream

    Related CVEs

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    CVE-2026-115365 (CVSS 7.5) — OpenBao from 2.3.0 before 2.6.3 contains an incorrect authorization vulnerability in its ACL policy cache that…
    CVE-2026-115364 (CVSS 2.1) — OpenBao before 2.6.3 contains a missing authorization check that allows attackers to stop Agent and Proxy serv…
    CVE-2026-115361 (CVSS 2.1) — OpenBao before 2.6.3 contains an ACL bypass vulnerability that silently drops explicit deny rules based on for…
    CVE-2026-115362 (CVSS 2.1) — OpenBao before 2.6.4 and 2.7.x before 2.7.1 does not check Secret ID expiration at use in the AppRole auth met…
    CVE-2026-115360 (CVSS 5.3) — OpenBao before 2.6.3 contains an open redirect vulnerability in the UI's OIDC identity provider that affects u…
    CVE-2026-115359 (CVSS 6.3) — OpenBao before 2.6.4 and 2.7.x before 2.7.1 contains a flaw in its rate limit quota subsystem where role resol…
    CVE-2026-115358 (CVSS 2) — OpenBao before 2.6.3 contains an information disclosure vulnerability that allows attackers to leak sensitive …
    CVE-2026-115357 (CVSS 2.1) — OpenBao before 2.6.4 and 2.7.x before 2.7.1 fails to write response audit entries for the unauthenticated sys/…

    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