CVE-2026-100251: Wormhole App Wormhole

Medium severity, CVSS 6.5. EPSS: 0.3% chance of exploitation in the next 30 days.

Wormhole.app as deployed before 2026-08-22 misconfigures the coturn TURN server and does not properly restrict TCP relay peers, allowing an unauthenticated attacker to access instance metadata or to source TCP connections from the Wormhole relay's IP.

Affected products

  • Wormhole App Wormhole: before 2026-08-22 (fixed in 2026-08-22)

Published 2026-10-01. Last modified 2026-10-01.