What is CVE-2026-72755?

CVE-2026-72755 is a low-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 3.8/10. Published 2026-10-26.

How severe is CVE-2026-72755?

Low severity. CVSS v3 base score is 3.8 out of 10.

CVE-2026-72755

CVE-2026-72755

Routinator stores a newly-retrieved TA certificate via HTTPS in cache without validation, potentially overwriting a known good TA certificate even if validation fails.

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

CVSS v3 metric

CVSS v3 base score 3.8 (Low). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L.

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-2026-72755.txt (vendor-advisory)

Frequently asked questions

What is CVE-2026-72755?: CVE-2026-72755 is a low-severity vulnerability, classified under Improper Handling of Exceptional Conditions. CVSS score: 3.8/10. Published 2026-10-26.
How severe is CVE-2026-72755?: Low severity. CVSS v3 base score is 3.8 out of 10.