MEDIUM 6.9 NVD
CVE-2026-56708
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 DN
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.
References
- https://github.com/getgrav/grav/security/advisories/GHSA-hq2v-cgw4-fw2w
- https://www.vulncheck.com/advisories/grav-api-plugin-before-ssrf-via-dns-rebinding
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-08-25 via NVD.
vulnfeed aggregates 11266 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.