What is CVE-2026-72756?

CVE-2026-72756 is a high-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2026-10-26.

How severe is CVE-2026-72756?

High severity. CVSS v3 base score is 7.5 out of 10.

CVE-2026-72756

CVE-2026-72756

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.

Published 2026-10-26 · last modified 2026-10-26.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-755 — Improper Handling of Exceptional Conditions

References

www.nlnetlabs.nl/downloads/routinator/CVE-2026-72756.txt (vendor-advisory)

Frequently asked questions

What is CVE-2026-72756?: CVE-2026-72756 is a high-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 7.5/10. Published 2026-10-26.
How severe is CVE-2026-72756?: High severity. CVSS v3 base score is 7.5 out of 10.