CVE-2026-49232

Routinator exits when accepting an incoming HTTP or RTR connection fails

State: Published
Severity: 8.7 High
Published: Jun 8, 2026
Updated: Jun 8, 2026
Reserved: May 28, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L	NLnet Labs

Weaknesses

CWE-755 Improper Handling of Exceptional Conditions

Affected Products

Product	Versions
RoutinatorNLnet Labs	0.15.2 and laterNot affected

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49232.txtvendor-advisory

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