Routinator exits when accepting an incoming HTTP or RTR connection fails
CVE-2026-49232

8.7HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
8 June 2026

What is CVE-2026-49232?

Routinator exits on any error when accepting incoming HTTP or RTR connections, including ones it can recover from such as running out of file descriptors. This condition can be triggered maliciously by an attacker by opening a large number of connections to the HTTP or RTR server.

This only affects users that make their HTTP or RTR server available to untrusted networks.

Affected Version(s)

Routinator 0.15.2

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49...
vendor-advisory

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

X41 D-Sec GmbH
.