Medium 5.3Published Aug 25, 2026

CVE-2026-56708Grav API Plugin before 1.0.16 SSRF via DNS Rebinding

Updated under an hour ago (2026-10-19 09:00 UTC)

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It affects getgrav grav. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Exploited in the last 30 days

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.

CVSS: 5.3 MEDIUM (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Weakness (CWE): CWE-367
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: VulnCheck
NVD analysis: Deferred
Record last updated: Aug 25, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

getgrav grav getgrav:grav (from the name)	before 1.0.16; 1.0.16 not affected	CNA record

References

https://github.com/getgrav/grav/security/advisories/GHSA-hq2v-cgw4-fw2wvendor-advisory
https://www.vulncheck.com/advisories/grav-api-plugin-before-ssrf-via-dns-rebindingthird-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.