{"apiVersion":"1.0","identifier":"CVE-2026-74934","description":"Site isolation issue in the Graphics: CanvasWebGL component. This vulnerability was fixed in Firefox 154, Firefox ESR 115.39, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.","publishedAt":"2026-08-18T13:17:29","lastModifiedAt":"2026-08-24T15:54:34","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74934","cvssScore":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H","epssProbability":0.00158,"riskScore":0.76,"affectedProduct":"Firefox","affectedVersions":"<154","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74934","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74934","en":"https://www.redsauce.net/en/cves/CVE-2026-74934","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74934","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74934","de":"https://www.redsauce.net/de/cves/CVE-2026-74934","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74934","el":"https://www.redsauce.net/el/cves/CVE-2026-74934"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74934"}}