What’s Vulnerable › Vulnerabilities
CVE-2026-49232: Routinator exits when accepting an incoming HTTP or RTR connection fails
- Severity: high (CVSS 8.7 v4.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.3% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-06-08 · updated 2026-07-23
- Weakness: CWE-755
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.
Affected products
- NLnet Labs Routinator: all versions — fixed in 0.15.2
How to fix
Upgrade to a fixed version: NLnet Labs Routinator 0.15.2. Check the vendor advisory for mitigations.
References
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