Medium severity · published Oct 1, 2026
CVE-2026-100251
Wormhole.app SSRF
6.5
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 17% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WO
Wormhole · Wormhole App
before 2026-08-22 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-100251
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-100251
product
https://wormhole.app/
third-party-advisory
https://raw.githubusercontent.com/cisagov/CSAF/develop/csaf_files/IT/white/2026/va-26-275-04.json
vdb-entry
https://www.cve.org/CVERecord?id=CVE-2026-100251