CVE-2026-49233

Routinator cache path traversal using rogue rsync URIs

Published Jun 8, 2026 CVSS 4.0 · 8.3 High EPSS < 1% KEV · Not listed
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.

Remediation

Vendor Solution

This issue is fixed in 0.15.2 and all later versions.

Tracking

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Advisories

Source ID Title
Github GHSA Github GHSA GHSA-33mj-99mg-8g73 Routinator has cache path traversal when processing the module component of rsync URIs
History
Type Values Removed Values Added
CPEs cpe:2.3:a:nlnetlabs:routinator:*:*:*:*:*:*:*:*
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N'}

Type Values Removed Values Added
First Time appeared Nlnetlabs
Nlnetlabs routinator
Vendors & Products Nlnetlabs
Nlnetlabs routinator
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Routinator cache path traversal using rogue rsync URIs
Weaknesses CWE-22
References
Metrics cvssV4_0

{'score': 8.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
NLnet Labs
Published
Updated
Jun 8, 2026, 3:38 PM
Reserved
May 28, 2026, 8:28 AM
Status
Analyzed
Published
Jun 8, 2026, 3:16 PM
Modified
Jul 23, 2026, 7:10 AM