{"id":"CVE-2026-62668","state":"PUBLISHED","title":"Grav API Plugin: Webhook SSRF via Unrestricted cURL Protocols","description":"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.","publishedAt":"2026-08-19T15:29:24.452Z","updatedAt":"2026-08-19T18:44:04.914Z","severity":{"score":9.4,"label":"Critical","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["getgrav grav","getgrav grav-plugin-api"],"affected":[{"vendor":"getgrav","product":"grav","versions":[{"version":"< 2.0.4","status":"affected"}]},{"vendor":"getgrav","product":"grav-plugin-api","versions":[{"version":"< 1.0.6","status":"affected"}]}],"references":["https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf","https://github.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8d4c4a4874e","https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.6"],"weaknesses":["CWE-918"],"ingestedAt":"2026-10-29T20:12:32.778Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/62xxx/CVE-2026-62668.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-62668","state":"PUBLISHED","datePublished":"2026-08-19T15:29:24.452Z","dateUpdated":"2026-08-19T18:44:04.914Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-07-14T20:22:04.394Z"},"containers":{"cna":{"title":"Grav API Plugin: Webhook SSRF via Unrestricted cURL Protocols","descriptions":[{"lang":"en","value":"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":[{"vendor":"getgrav","product":"grav","versions":[{"version":"< 2.0.4","status":"affected"}]},{"vendor":"getgrav","product":"grav-plugin-api","versions":[{"version":"< 1.0.6","status":"affected"}]}],"references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf","name":"https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8d4c4a4874e","name":"https://github.com/getgrav/grav-plugin-api/commit/dfcc947f0d6758772caac290c68fe8d4c4a4874e","tags":["x_refsource_MISC"]},{"url":"https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.6","name":"https://github.com/getgrav/grav-plugin-api/releases/tag/1.0.6","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV4_0":{"attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"LOW","userInteraction":"NONE","vulnConfidentialityImpact":"HIGH","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"HIGH","subConfidentialityImpact":"HIGH","subIntegrityImpact":"HIGH","subAvailabilityImpact":"HIGH","baseScore":9.4,"baseSeverity":"CRITICAL","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H","version":"4.0"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-08-19T15:29:24.452Z"},"source":{"advisory":"GHSA-58q8-f7v4-w2vf","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/getgrav/grav/security/advisories/GHSA-58q8-f7v4-w2vf","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-19T18:43:58.407223Z","id":"CVE-2026-62668","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-19T18:44:04.914Z"}}]}}}