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    CVE-2026-95101

    Description NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with proxy_request_buffering on directive, an unauthenticated attacker may be able to inject data in the proxied request. Impact This vulnerability may allow remote attackers to inject data in the proxied request.  There is no control plane exposure; this is a data plane issue only. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

    Published:Oct 14, 2026
    Last Modified:Oct 22, 2026
    EPS:Oct 14, 2026
    EPSS Score:0.00247
    CVSS Score:5.3

    Affected Products

    Vendor
    F5
    Product
    Nginx Open Source
    Vendor
    F5
    Product
    Nginx Plus

    Exploits

    No exploit reference

    Related CVEs

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    CVE-2026-90439 (CVSS 6.9) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_v3_module module. When using HTTP/3 with…
    CVE-2026-60005 (CVSS 8.8) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_slice_module module. When the slice dire…
    CVE-2026-56434 (CVSS 8.3) — NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssi_module module. This vulnerability ma…
    CVE-2026-42533 (CVSS 9.2) — A vulnerability exists in NGINX Plus and NGINX Open Source when a map directive uses regex matching and a stri…
    CVE-2026-42530 (CVSS 9.2) — NGINX Open Source has a vulnerability in the ngx_http_v3_module module. When NGINX Open Source is configured t…
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    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