What’s Vulnerable › Vulnerabilities
CVE-2026-49234: Routinator crashes on specifically crafted ASN strings in the API
- Severity: high (CVSS 7.5 v3.1)
- 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-20
Description
When sending a specifically crafted non-UTF-8 string as select-asn query parameter to the /api/v1/origins endpoint, Routinator crashes. This only affects users who allow API access from untrusted networks.
Affected products
- NLnet Labs Routinator: before 0.15.2 — 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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