CVE-2026-49235
HighCVSS 7.5Exploitation Probability (EPSS)
Low risk28th percentile - higher than 28% of all known CVEs
Summary
Vulnerability in Routinator causes a crash when encountering an RRDP file with a specially crafted Document Type Definition (DTD).
Risk Assessment
An attacker could crash Routinator, disrupting routing services and RPKI validation.
Recommendation
Update Routinator to the latest version containing a fix for this vulnerability.
Other vulnerabilities in Routinator
See all- CVE-2026-49234High
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.
- CVE-2026-49233High
Routinator does not properly check the module component of rsync URIs, which are used to create the file system paths for the Routinator cache. This allows for path traversal by having a module name containing .., potentially providing an attacker access to the entire Routinator rsync cache.
- CVE-2026-49232High
Routinator exits on any error when accepting incoming HTTP or RTR connections, including recoverable ones like running out of file descriptors. An attacker can trigger this by opening many connections.
Original NVD description (English source)
When Routinator encounters a file via RRDP using a specifically crafted Document Type Definition, Routinator crashes.

