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    CVE-2026-59818

    etcd is a distributed key-value store for the data of a distributed system. Prior to 3.5.32 and 3.6.13, when etcd is configured with --listen-client-http-urls to split HTTP and gRPC client endpoints onto separate listeners, the --client-crl-file Certificate Revocation List is not enforced on the gRPC listener, allowing a client with a revoked certificate to authenticate successfully over gRPC. This issue is fixed in versions 3.5.32 and 3.6.13.

    Published:Jul 8, 2026
    Last Modified:Jul 10, 2026
    EPS:Jul 8, 2026
    EPSS Score:0.00364
    CVSS Score:6.5

    Affected Products

    Vendor
    Etcd
    Product
    Etcd

    Exploits

    No exploit reference

    Common Weakness Enumeration

    CWE-295 Improper Certificate Validation

    Related CVEs

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    CVE-2026-33343 (CVSS 0) — etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.42, 3.5.28, …
    CVE-2022-34038 (CVSS 7.5) — Etcd v3.5.4 allows remote attackers to cause a denial of service via function PageWriter.write in pagewriter.g…
    CVE-2023-32082 (CVSS 3.1) — etcd is a distributed key-value store for the data of a distributed system. Prior to versions 3.4.26 and 3.5.9…
    CVE-2021-28235 (CVSS 9.8) — Authentication vulnerability found in Etcd-io v.3.4.10 allows remote attackers to escalate privileges via the …
    CVE-2020-15112 (CVSS 6.5) — In etcd before versions 3.3.23 and 3.4.10, it is possible to have an entry index greater then the number of en…
    CVE-2020-15113 (CVSS 5.7) — In etcd before versions 3.3.23 and 3.4.10, certain directory paths are created (etcd data directory and the di…

    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