High 7.5Published Oct 26, 2026

CVE-2026-72756Routinator exits on malformed rsync URIs

Updated under an hour ago (Oct 29, 2026, 1:50 PM ET)

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It affects NLnet Labs Routinator. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Routinator exits when an rsync URI for a file obtained over RRDP contains a path that cannot be stored on disk, such as too long file names, and folder names that overlap with existing file names.

CVSS: 7.5 HIGH (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-755
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: NLnet Labs
NVD analysis: Deferred
Record last updated: Oct 26, 2026
First seen by InfoSec Signals: Oct 26, 2026

Affected products

Affected products

NLnet Labs Routinator nlnet_labs:routinator (from the name)	from 0.15.3 not affected	CNA record

References

References

https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72756.txt	vendor-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.