Medium severity5.3NVD Advisory· Published Aug 25, 2026

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.

Affected products

Grav CMS/API Pluginllm-fuzzy
Range: <1.0.16

Patches

Vulnerability mechanics

References

github.com/getgrav/grav/security/advisories/GHSA-hq2v-cgw4-fw2wnvd
www.vulncheck.com/advisories/grav-api-plugin-before-ssrf-via-dns-rebindingnvd

News mentions

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cvss	0.345
epss	0.000
exploit	0.000
kev	0.000
patch	-0.070
ransomware	0.000