CVE-2026-49234CWE-20

Routinator crashes on specifically crafted ASN strings in the API

High · published June 8, 2026

CVSS v4.0
8.2
EPSS
0%
Percentile
25.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v4.0
8.2 · HIGH
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
EPSS
0.00333 · 25.3th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-06-08T12:58Z
EPSS history
Timeline
  • 08 JUN 12:58Z
    Routinator crashes on specifically crafted ASN strings in the API
    cvelistv5