CVE-2026-81190

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    CVE-2026-81190

    Published: 5 Nov 2026Last Modified: 7 Nov 2026

    Summary: KurrentDB: Privileged access to read $all enables arbitrary file read and GET-only SSRF

    Details: KurrentDB is a database engineered for modern software applications and event-driven architectures. In version 26.1.0, a user authorized to read the $all stream can use Secondary Indexing query capabilities to read arbitrary files accessible to the database process, enumerate directories, and issue HTTP GET requests from that process. The default configuration limits this privilege to administrators. The flaw does not permit file writes and does not expose environment variables. This issue is fixed in version 26.1.1.

    References: https://github.com/kurrent-io/KurrentDB/releases/tag/v26.1.1, https://kurrentdb.kurrent.io/releases/kurrentdb-26-1-1-security-release, https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/81xxx/CVE-2026-81190.json, https://github.com/kurrent-io/KurrentDB/security/advisories/GHSA-r8vq-5875-cq97, https://nvd.nist.gov/vuln/detail/CVE-2026-81190, https://github.com/kurrent-io/KurrentDB/commit/18706d0d5fcec5e2fbb0d20f76638d113b5842c8, https://github.com/kurrent-io/KurrentDB/pull/5674

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 3b0bcc80c57d63c8f7a136e2a6ecd460d992aa8f
    Fixed -18706d0d5fcec5e2fbb0d20f76638d113b5842c8

    Affected versions

    = 26.1.0

    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
    CVE-2026-81190 | CVE-DB