SSRF in Wormhole App

CVE-2026-100251

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.

Vulnerability class: SSRF (Server-Side Request Forgery)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-100251?
CVE-2026-100251 is a medium-severity vulnerability in Wormhole App, classified under Server-Side Request Forgery (SSRF). CVSS score: 6.5/10. Published 2026-10-01.
How severe is CVE-2026-100251?
Medium severity. CVSS v3 base score is 6.5 out of 10.