{"apiVersion":"1.0","identifier":"CVE-2026-74979","description":"Mitigation bypass in the Add-ons Manager component. This vulnerability was fixed in Firefox 154, Firefox ESR 153.1, Thunderbird 154, and Thunderbird 153.1.","publishedAt":"2026-08-18T13:17:36","lastModifiedAt":"2026-08-20T19:51:49","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74979","cvssScore":9.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","epssProbability":0.00306,"riskScore":1.01,"affectedProduct":"Firefox","affectedVersions":"<154","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74979","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74979","en":"https://www.redsauce.net/en/cves/CVE-2026-74979","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74979","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74979","de":"https://www.redsauce.net/de/cves/CVE-2026-74979","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74979","el":"https://www.redsauce.net/el/cves/CVE-2026-74979"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74979"}}