CVE-2026-4984

{"id": "CVE-2026-4984", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Secondary", "source": "vulnreport@tenable.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.2, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 4.2, "exploitabilityScore": 3.9}]}, "published": "2026-03-27T15:17:03.953", "references": [{"url": "https://www.tenable.com/security/research/tra-2026-22", "source": "vulnreport@tenable.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "description": [{"lang": "en", "value": "CWE-345"}, {"lang": "en", "value": "CWE-352"}]}], "descriptions": [{"lang": "en", "value": "The Twilio integration webhook handler accepts any POST request without validating Twilio's 'X-Twilio-Signature'.\n\nWhen processing media messages, it fetches user-controlled URLs ('MediaUrlN' parameters) using HTTP requests that include the integration's Twilio credentials in the 'Authorization' header.\n\nAn attacker can forge a webhook payload pointing to their own server and receive the victim's 'accountSID' and 'authToken' in plaintext (base64-encoded Basic Auth), leading to full compromise of the Twilio account."}], "lastModified": "2026-05-10T14:16:51.070", "sourceIdentifier": "vulnreport@tenable.com"}