by Kastro
Paper/Archive/CVE-2026-62668

CVE-2026-62668

getgrav grav — Grav API Plugin: Webhook SSRF via Unrestricted cURL Protocols

EPSS 0.4%public exploitCVSS 9.4
critical.is priorityof 100
46
CVSS 9.4 (CNA)9.4 / 10 × 3028.2Not in CISA KEV+300.0EPSS percentile 39.1.391 × 207.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

Grav API Plugin is a RESTful API for Grav CMS that provides full headless access to your site's content. Prior to 1.0.6, the Grav API plugin WebhookController.php accepts webhook URLs after only FILTER_VALIDATE_URL syntax validation, and WebhookDispatcher.php initializes cURL without CURLOPT_PROTOCOLS or CURLOPT_REDIR_PROTOCOLS restrictions. An account with api.webhooks.write can submit file, dict, gopher, private-network, or link-local targets, retrieve local files and delivery response bodies, and pivot requests to internal services or cloud metadata endpoints. This issue is fixed in version 1.0.6.

Affected

ProductAffectedFixed inSource
grav< 2.0.4–CNA
grav-plugin-api< 1.0.6–CNA

Scores by source

GitHub_M (CNA)9.4CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: total

References

exploitgithub.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vfrefgithub.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8d4c4a4874erefgithub.com/getgrav/grav-plugin-api/releases/tag/1.0.6