Vulnerability · Published Jun 8, 2026 · Assigned by NLnet Labs
CVE-2026-49235Routinator crashes on specifically crafted RRDP XML files
High 8.7
In plain English
A high-severity security flaw in Routinator from NLnet Labs. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Severity (CVSS 4.0)8.7High
Exploit odds (30 days)0.4%top 69.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| NLnet Labs | Routinator | see references |
Weakness: CWE-755 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:L
References
- https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49235.txt vendor-advisory