CVE-2026-62234: Grav < 2.0.4 SSRF via Unrestricted cURL Protocols

Severity: high (CVSS 8.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-17 · updated 2026-10-24
Weakness: CWE-918

Description

Grav before 2.0.4 fails to restrict cURL protocols in webhook dispatch, allowing authenticated users with api.webhooks.write permission to create webhooks with file://, dict://, or gopher:// URLs. Attackers can trigger webhook events to read local files, access process information, or pivot to internal services via unrestricted protocol handlers.

Affected products

getgrav grav: before 2.0.4 — fixed in 2.0.4

How to fix

Upgrade to a fixed version: getgrav grav 2.0.4. Check the vendor advisory for mitigations.

References

https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf
https://www.vulncheck.com/advisories/grav-ssrf-via-unrestricted-curl-protocols
https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf

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