Path Traversal Issue in Routinator by NLnet Labs
CVE-2026-49233

8.3HIGH

Key Information:

Vendor

Nlnet Labs

Status
Routinator
Vendor
CVE Published:
8 June 2026

What is CVE-2026-49233?

A security flaw in Routinator allows attackers to manipulate the module component of rsync URIs, creating potential file system paths that lead to unauthorized access to the entire Routinator rsync cache. This vulnerability enables an attacker to exploit the caching system, leading to possible exposure of sensitive data stored within the cache directories.

Affected Version(s)

Routinator 0.15.2

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-49...
vendor-advisory

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
None
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

X41 D-Sec GmbH
.