CVE-2026-49232

Severity CVSS v4.0:

HIGH

Type:

Unavailable / Other

Publication date:

08/06/2026

Last modified:

09/06/2026

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

Impact

Vector 4.0

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 CVSS v4.0 Severity and Metrics:

Base Score: 8.70 HIGH
Vector: 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

Attack Vector (AV): Network
Attack Complexity (AC): Low
Attack Requirements (AT): None
Privileges Required (PR): None
User Interaction (UI): None
Confidentiality (VC): None
Integrity (VI): None
Availability (VA): High
Confidentiality (SC): None
Integrity (SI): None
Availability (SA): Low

Base Score 4.0

8.70

Severity 4.0

HIGH

References to Advisories, Solutions, and Tools

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