CVE-2026-49234 HIGH

CVE-2026-49234: Routinator crashes on specifically crafted ASN strings in the API

Weakness CWE-20 · Input validation
Published June 8, 2026
Last update June 8, 2026
View on NVD All CVEs

CVSS base score

8.2/10
Attack vector Local
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

June 8, 2026 CVE published
June 8, 2026 Record updated