Routinator stores TA certificate in cache without validation
Summary
| CVE | CVE-2026-72755 |
|---|---|
| State | PUBLISHED |
| Assigner | NLnet Labs |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-10-26 18:18:41 UTC |
| Updated | 2026-10-26 18:35:08 UTC |
| Description | Routinator stores a newly-retrieved TA certificate via HTTPS in cache without validation, potentially overwriting a known good TA certificate even if validation fails. |
Risk And Classification
Primary CVSS: v3.1 3.8 LOW from [email protected]
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Problem Types: CWE-755 | CWE-755 CWE-755 Improper Handling of Exceptional Conditions
| Version | Source | Type | Score | Severity | Vector |
|---|---|---|---|---|---|
| 3.1 | [email protected] | Secondary | 3.8 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L |
| 3.1 | CNA | CVSS | 3.8 | LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L |
CVSS v3.1 Breakdown
Attack Vector
NetworkAttack Complexity
LowPrivileges Required
HighUser Interaction
NoneScope
UnchangedConfidentiality
NoneIntegrity
LowAvailability
LowCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | NLnet Labs | Routinator | unaffected 0.15.3 * semver | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt | [email protected] | www.nlnetlabs.nl | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
Vendor Comments And Credit
Discovery Credit
CNA: Xin Wang and Jiajia Liu, Northwestern Polytechnical University (en)
Additional Advisory Data
| Source | Time | Event |
|---|---|---|
| CNA | 2026-06-13T00:00:00.000Z | Issue reported |
| CNA | 2026-10-26T00:00:00.000Z | Fixes released |
Solutions
CNA: This issue is fixed in 0.15.3 and all later versions.
There are currently no legacy QID mappings associated with this CVE.