CVE-2026-49233

High

Description

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.

SeverityHigh

CVSS7.5

Exploit probability—

ProductNlnetlabs Routinator

PublishedJun 8, 2026

First seenJun 8, 2026

Weakness typeCWE-22Path traversal

How to fix

Update

nlnetlabs routinator0.15.2 or later

Vendor advisories

nlnetlabs.nl/downloads/routinator/CVE-2026-49233.txt

Affected products

Product	Affected versions	Fixed in
nlnetlabs routinator	v < 0.15.2	0.15.2

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