{"apiVersion":"1.0","identifier":"CVE-2026-74956","description":"Same-origin policy bypass in the DOM: Service Workers component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.","publishedAt":"2026-08-18T13:17:32","lastModifiedAt":"2026-08-19T01:00:02","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74956","cvssScore":9.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N","epssProbability":0.00283,"riskScore":0.93,"affectedProduct":"Firefox","affectedVersions":"<154","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74956","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74956","en":"https://www.redsauce.net/en/cves/CVE-2026-74956","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74956","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74956","de":"https://www.redsauce.net/de/cves/CVE-2026-74956","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74956","el":"https://www.redsauce.net/el/cves/CVE-2026-74956"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74956"}}