CVE-2026-49234
Routinator API crash via crafted non-UTF-8 select-asn param.
Is CVE-2026-49234 being exploited?
Not confirmed. CVE-2026-49234 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.27% probability of exploitation in the next 30 days.
How severe is CVE-2026-49234?
CVE-2026-49234 is rated High with a CVSS score of 8.2. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-49234?
Yes. A fix has been recorded for CVE-2026-49234. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-49234 affect?
CVE-2026-49234 affects Routinator. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-49234?
Patch when released; limit API access to trusted networks
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
DoS: Routinator API crash from untrusted input to /api/v1/origins; may disrupt validation service.
Patch when available; restrict API access from untrusted networks