CVE-2026-72755

LOW 3.8

Routinator stores TA certificate in cache without validation

CVSS Score

3.8

EPSS Score

0.0%

EPSS Percentile

0th

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

CWE	CWE-755
Vendor	nlnet labs
Product	routinator
Published	Oct 26, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

NLnet Labs / Routinator

All versions affected

References

NVD ↗ CVE.org ↗ EPSS Data ↗

nlnetlabs.nl: https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt

Credits

Xin Wang and Jiajia Liu, Northwestern Polytechnical University