CVE-2026-4984 - Vulnerability Analysis

Overview

Twilio integration webhook handler contains an information disclosure caused by lack of validation of 'X-Twilio-Signature' and fetching user-controlled URLs with credentials, letting attackers obtain accountSID and authToken, exploit requires sending forged webhook payload.

Severity & Score

Impact

Attackers can obtain Twilio credentials, leading to full account compromise and unauthorized actions.

Mitigation

Validate 'X-Twilio-Signature' on incoming webhook requests and avoid including credentials in requests to user-controlled URLs.

References

• https://www.tenable.com/security/research/tra-2026-22

Related Resources

• Vulnerability Intelligence Dashboard
• Credential Scanner