CVE-2026-85673

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    CVE-2026-85673

    Published: 4 Sept 2026Last Modified: 26 Sept 2026

    Summary: LLaMA-Factory SSRF Guard Bypass via Redirect and DNS Rebinding

    Details: LLaMA-Factory contains a server-side request forgery vulnerability in the OpenAI-compatible API multimodal media URL handler that allows unauthenticated attackers to bypass SSRF validation. The check_ssrf_url guard validates URLs once but requests.get follows redirects and re-resolves DNS without re-validation, enabling attackers to use HTTP redirects or DNS rebinding to access internal addresses and cloud metadata endpoints.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/85xxx/CVE-2026-85673.json, https://nvd.nist.gov/vuln/detail/CVE-2026-85673, https://www.vulncheck.com/advisories/llama-factory-ssrf-guard-bypass-via-redirect-and-dns-rebinding, https://github.com/hiyouga/LlamaFactory/issues/10646, https://github.com/hiyouga/LlamaFactory, https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/chat.py, https://github.com/hiyouga/LlamaFactory/blob/v0.9.5/src/llamafactory/api/common.py

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    v0.9.5
    v0.9.4
    v0.9.3
    v0.9.2
    v0.9.1
    v0.9.0

    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-2026-85673 | CVE-DB