CVE-2026-49232

Routinator exits when accepting an incoming HTTP or RTR connection fails

Published Jun 8, 2026 CVSS 4.0 · 8.7 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

This issue is fixed in 0.15.2 and all later versions.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Nlnetlabs
Nlnetlabs routinator
Vendors & Products Nlnetlabs
Nlnetlabs routinator
Type Values Removed Values Added
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.
Title Routinator exits when accepting an incoming HTTP or RTR connection fails
Weaknesses CWE-755
References
Metrics cvssV4_0

{'score': 8.7, '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'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NLnet Labs
Published
Updated
Jun 8, 2026, 3:38 PM
Reserved
May 28, 2026, 8:28 AM
Status
Awaiting Analysis
Published
Jun 8, 2026, 3:16 PM
Modified
Jul 23, 2026, 7:10 AM