{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-104973","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-10-02T18:16:13.629Z","datePublished":"2026-10-05T17:41:33.110Z","dateUpdated":"2026-10-07T20:54:46.744Z"},"containers":{"cna":{"title":"Plane: DNS Rebinding Bypass of CVE-2026-30242 SSRF Fix in Webhook Delivery","problemTypes":[{"descriptions":[{"cweId":"CWE-918","lang":"en","description":"CWE-918: Server-Side Request Forgery (SSRF)","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":7.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"HIGH","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:L/A:N","version":"3.1"}}],"references":[{"name":"https://github.com/makeplane/plane/security/advisories/GHSA-whh3-5g95-4qhc","tags":["x_refsource_CONFIRM"],"url":"https://github.com/makeplane/plane/security/advisories/GHSA-whh3-5g95-4qhc"},{"name":"https://github.com/makeplane/plane/pull/9163","tags":["x_refsource_MISC"],"url":"https://github.com/makeplane/plane/pull/9163"},{"name":"https://github.com/makeplane/plane/commit/04622ce1188c4680951f0001e35efb342fe51615","tags":["x_refsource_MISC"],"url":"https://github.com/makeplane/plane/commit/04622ce1188c4680951f0001e35efb342fe51615"},{"name":"https://github.com/makeplane/plane/releases/tag/v1.4.0","tags":["x_refsource_MISC"],"url":"https://github.com/makeplane/plane/releases/tag/v1.4.0"}],"affected":[{"vendor":"makeplane","product":"plane","versions":[{"version":"< 1.4.0","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-10-05T17:41:33.110Z"},"descriptions":[{"lang":"en","value":"Plane is an open-source project management tool. Prior to 1.4.0, the fix for CVE-2026-30242 validates webhook IP addresses only when the webhook is created in apps/api/plane/app/serializers/webhook.py. The delivery task in apps/api/plane/bgtasks/webhook_task.py performs a separate DNS resolution when sending the request and does not validate the resolved IP address, allowing DNS rebinding to bypass the SSRF protection. This issue is fixed in 1.4.0."}],"source":{"advisory":"GHSA-whh3-5g95-4qhc","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/cthackers/adm-zip/security/advisories/GHSA-j5f4-cc29-5x44","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-07T20:54:23.222680Z","id":"CVE-2026-104973","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-10-07T20:54:46.744Z"}}]}}