CVE-2026-66090

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    CVE-2026-66090

    Published: 29 Oct 2026Last Modified: 31 Oct 2026

    Summary:

    Details: In openEQUELLA before 2026.1, the XML parser used for item metadata does not disable external entity resolution. A user permitted to create items (CREATE_ITEM) can submit crafted XML to POST /api/item and cause the server to read arbitrary files accessible to the openEQUELLA service, or make requests to attacker-specified locations (SSRF), including cloud instance metadata services.

    References: https://openequella.github.io/guides/, https://github.com/openequella/openEQUELLA/security/advisories/GHSA-668q-3hpr-6c96

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -25e9002452cf7d18ec96500cdfdb433126e70cac

    Affected versions

    2025.2.0

    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-2026-66090 | CVE-DB