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        "url": "https://www.first.org/tlp/"
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    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
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      "cve": "CVE-2025-46421",
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        "id": "CWE-497",
        "name": "Exposure of Sensitive System Information to an Unauthorized Control Sphere"
      },
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in libsoup. When libsoup clients encounter an HTTP redirect, they mistakenly send the HTTP Authorization header to the new host that the redirection points to. This allows the new host to impersonate the user to the original host that issued the redirect.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "url": "https://cve.tuxcare.com/els/cve/CVE-2025-46421"
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          "summary": "https://access.redhat.com/errata/RHSA-2025:4439",
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        },
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          "summary": "https://access.redhat.com/errata/RHSA-2025:4440",
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          "summary": "https://access.redhat.com/errata/RHSA-2025:4508",
          "url": "https://access.redhat.com/errata/RHSA-2025:4508"
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          "url": "https://access.redhat.com/errata/RHSA-2025:4538"
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          "summary": "https://access.redhat.com/errata/RHSA-2025:4560",
          "url": "https://access.redhat.com/errata/RHSA-2025:4560"
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          "url": "https://access.redhat.com/errata/RHSA-2025:4568"
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          "summary": "https://access.redhat.com/errata/RHSA-2025:4609",
          "url": "https://access.redhat.com/errata/RHSA-2025:4609"
        },
        {
          "category": "external",
          "summary": "https://access.redhat.com/errata/RHSA-2025:4624",
          "url": "https://access.redhat.com/errata/RHSA-2025:4624"
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          "summary": "https://gitlab.gnome.org/GNOME/libsoup/-/issues/439",
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      "remediations": [
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          "category": "no_fix_planned",
          "date": "2026-10-15T08:15:31.551651Z",
          "details": "Deprioritize: Exploitation requires a libsoup-based client to include an Authorization header and then automatically follow a cross-host HTTP redirect to an attacker-controlled host—conditions that are rated high complexity and require user interaction, making practical exploitation unlikely in centrally managed server/VM workloads that communicate with fixed endpoints. The flaw neither enables code execution nor privilege escalation and has no availability impact; it only risks disclosure of the existing Authorization header during that specific redirect path. Given these constraints and the need for a very specific redirect scenario, this CVE is low priority for typical enterprise deployments.",
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            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N",
            "version": "3.1"
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          "category": "impact",
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