API Access Vulnerability in Routinator by NLnet Labs
CVE-2026-49234

8.2HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
8 June 2026

What is CVE-2026-49234?

Routinator is susceptible to crashing when it receives a specially crafted non-UTF-8 string in the select-asn query parameter at the /api/v1/origins endpoint. This vulnerability primarily affects users who enable API access from untrusted networks, potentially leading to service interruptions. Proper validation of input can mitigate the risk of this issue.

Affected Version(s)

Routinator 0.15.2

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49...
vendor-advisory

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

X41 D-Sec GmbH
.