{"apiVersion":"1.0","identifier":"CVE-2026-56708","description":"Grav API plugin before 1.0.16 contains a server-side request forgery vulnerability in webhook delivery that allows attackers to bypass hostname validation by DNS rebinding. Attackers controlling authoritative DNS for a configured webhook hostname can answer validation lookups with public addresses and delivery lookups with private addresses to reach internal network resources.","publishedAt":"2026-08-25T02:16:42","lastModifiedAt":"2026-08-25T18:17:56","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-56708","cvssScore":5.3,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N","epssProbability":0.00174,"riskScore":0.54,"affectedProduct":"Grav API plugin","affectedVersions":"<1.0.16","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-56708","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-56708","en":"https://www.redsauce.net/en/cves/CVE-2026-56708","fr":"https://www.redsauce.net/fr/cves/CVE-2026-56708","pt":"https://www.redsauce.net/pt/cves/CVE-2026-56708","de":"https://www.redsauce.net/de/cves/CVE-2026-56708","sk":"https://www.redsauce.net/sk/cves/CVE-2026-56708","el":"https://www.redsauce.net/el/cves/CVE-2026-56708"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-56708"}}