Mitigation bypass in the Networking: Cookies component_CVE-2026-6760

9.8 / 10

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

AI Analysis

Mitigation bypass vulnerability in the Networking: Cookies component, allowing potential unauthorized access

Basic Information

ID CVE-2026-6760

Source mozilla

Published Apr 21, 2026 at 12:40

Modified Apr 22, 2026 at 15:34

Affected Product

Vendor Mozilla

Product Firefox

Version 150

CWE Classification

CWE-288

AI Assessment

AI Score 9.8 / 10

AI Severity Critical

Vendor Mozilla Foundation

Product Firefox

Version < 150

References

{
    "lastseen": "",
    "description": "Mitigation bypass in the Networking: Cookies component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.",
    "published": "2026-04-21T12:40:55.131Z",
    "modified": "2026-04-22T15:34:58.133Z",
    "type": "cve",
    "title": "Mitigation bypass in the Networking: Cookies component",
    "source": "mozilla",
    "references": "https://bugzilla.mozilla.org/show_bug.cgi?id=2016923\nhttps://www.mozilla.org/security/advisories/mfsa2026-30/\nhttps://www.mozilla.org/security/advisories/mfsa2026-33/",
    "id": "CVE-2026-6760",
    "bulletinFamily": "",
    "cwe": [
        "CWE-288"
    ],
    "cvelist": null,
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    "cvss": {
        "score": 9.8,
        "severity": "CRITICAL",
        "vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
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        "baseScore": 0,
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        "privilegesRequired": "",
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        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
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        }
    },
    "href": "",
    "category_name": "CVE",
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    "product": "Firefox",
    "version": "150",
    "vendor": "Mozilla",
    "ai_description": "Mitigation bypass vulnerability in the Networking: Cookies component, allowing potential unauthorized access",
    "ai_severity": "Critical",
    "ai_vendor": "Mozilla Foundation",
    "ai_product": "Firefox",
    "ai_version": "< 150",
    "ai_score": 9.8
}