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    CVE-2026-33331

    oRPC is an tool that helps build APIs that are end-to-end type-safe and adhere to OpenAPI standards. Prior to version 1.13.9, a stored cross-site scripting (XSS) vulnerability exists in the OpenAPI documentation generation of orpc. If an attacker can control any field within the OpenAPI specification (such as info.description), they can break out of the JSON context and execute arbitrary JavaScript when a user views the generated API documentation. This issue has been patched in version 1.13.9.

    Published:Mar 24, 2026
    Last Modified:Mar 27, 2026
    EPS:Mar 24, 2026
    EPSS Score:0.00011
    CVSS Score:8.2

    Affected Products

    Vendor
    Middleapi
    Product
    Orpc
    Vendor
    Orpc
    Product
    Orpc

    Exploits

    https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8https://github.com/middleapi/orpc/security/advisories/GHSA-7f6v-3gx7-27q8https://github.com/abhayclasher/CVE-2026-33331

    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