CVE-2026-49233: Routinator cache path traversal using rogue rsync URIs
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Routinatorto a version that resolves this vulnerability.Fixed in 0.15.2
Event History
Frequently Asked Questions
What is the severity of CVE-2026-49233?
CVE-2026-49233 has a severity score of 8.3, which is classified as high.
How do I fix CVE-2026-49233?
To fix CVE-2026-49233, upgrade to Routinator version 0.15.2 or later.
What kind of vulnerability is CVE-2026-49233?
CVE-2026-49233 is a path traversal vulnerability that affects the Routinator software.
What can an attacker achieve with CVE-2026-49233?
An attacker can potentially access the entire Routinator rsync cache due to the vulnerability.
Which software is affected by CVE-2026-49233?
CVE-2026-49233 affects NLnet Labs Routinator.