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    CVE-2026-42339

    New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. In versions 0.11.9-alpha.1 and prior, the SSRF protection introduced in v0.9.0.5 (CVE-2025-59146) and hardened in v0.9.6 (CVE-2025-62155) does not block the unspecified address 0.0.0.0. A regular (non-admin) user holding any valid API token can send a multimodal request to /v1/chat/completions, /v1/responses, or /v1/messages with 0.0.0.0 as the image/file URL host, bypassing the private-IP filter and causing the server to issue HTTP requests to localhost. This constitutes at minimum a blind SSRF; when the request is routed through an AWS/Bedrock Claude adaptor, the fetched content is inlined into the model response, upgrading it to a full-read SSRF. At time of publication, there are no publicly available patches.

    Published:May 8, 2026
    Last Modified:May 18, 2026
    EPS:May 8, 2026
    EPSS Score:0.00043
    CVSS Score:7.1

    Affected Products

    Vendor
    Newapi
    Product
    New Api
    Vendor
    Quantumnous
    Product
    New-api

    Exploits

    https://github.com/QuantumNous/new-api/security/advisories/GHSA-v5c3-6wvc-pc2qhttps://github.com/QuantumNous/new-api/security/advisories/GHSA-v5c3-6wvc-pc2q

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-664 Server Side Request Forgery

    Related CVEs

    CVE-2026-41432 (CVSS 7.1) — New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior…
    CVE-2026-32879 (CVSS 4.9) — New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Start…
    CVE-2026-30886 (CVSS 6.5) — New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior…
    CVE-2026-25802 (CVSS 7.6) — New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior…
    CVE-2026-25591 (CVSS 7.1) — New API is a large language mode (LLM) gateway and artificial intelligence (AI) asset management system. Prior…
    CVE-2025-55573 (CVSS 8.8) — QuantumNous new-api v.0.8.5.2 is vulnerable to Cross Site Scripting (XSS).…

    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