{"apiVersion":"1.0","identifier":"CVE-2026-77138","description":"The extension fails to safely process untrusted client input of an attacker-controlled cookie directly to PHP-s unserialize(). A remote, unauthenticated attacker can supply a crafted serialized payload to trigger PHP Object Injection, leading to Remote Code Execution on the TYPO3 server.","publishedAt":"2026-08-25T09:17:34","lastModifiedAt":"2026-08-26T17:13:53","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-77138","cvssScore":9.3,"cvssVector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","epssProbability":0.00423,"riskScore":0.97,"affectedProduct":"TYPO3","affectedVersions":"unknown","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-77138","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-77138","en":"https://www.redsauce.net/en/cves/CVE-2026-77138","fr":"https://www.redsauce.net/fr/cves/CVE-2026-77138","pt":"https://www.redsauce.net/pt/cves/CVE-2026-77138","de":"https://www.redsauce.net/de/cves/CVE-2026-77138","sk":"https://www.redsauce.net/sk/cves/CVE-2026-77138","el":"https://www.redsauce.net/el/cves/CVE-2026-77138"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-77138"}}