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    CVE-2025-66908

    Turms AI-Serving module v0.10.0-SNAPSHOT and earlier contains an improper file type validation vulnerability in the OCR image upload functionality. The OcrController in turms-ai-serving/src/main/java/im/turms/ai/domain/ocr/controller/OcrController.java uses the @FormData(contentType = MediaTypeConst.IMAGE) annotation to restrict uploads to image files, but this constraint is not properly enforced. The system relies solely on client-provided Content-Type headers and file extensions without validating actual file content using magic bytes (file signatures). An attacker can upload arbitrary file types including executables, scripts, HTML, or web shells by setting the Content-Type header to "image/*" or using an image file extension. This bypass enables potential server-side code execution, stored XSS, or information disclosure depending on how uploaded files are processed and served.

    Published:Dec 19, 2025
    Last Modified:Jan 2, 2026
    EPS:Dec 19, 2025
    EPSS Score:0.00054
    CVSS Score:5.3

    Affected Products

    Vendor
    Turms
    Product
    Ai Serving
    Vendor
    Turms-im
    Product
    Turms

    Exploits

    https://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66908_report.mdhttps://github.com/Xzzz111/public_cve_report/blob/main/CVE-2025-66908_report.md

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-1 Accessing Functionality Not Properly Constrained by ACLs

    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