CVE-2026-72755 - Vulnerability Details - OpenCVE

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

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required High

Scope Unchanged

Confidentiality Impact None

Integrity Impact Low

Availability Impact Low

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

NLnet Labs

Routinator

affected

Version	Status	Constraints
`0.15.3`	unaffected	< *

No data.

No data.

No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

This issue is fixed in 0.15.3 and all later versions.

Workaround

No workaround given by the vendor.

References

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

History

Mon, 26 Oct 2026 18:30:00 +0000

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}`

Mon, 26 Oct 2026 17:30:00 +0000

Type	Values Removed	Values Added
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.
Title		Routinator stores TA certificate in cache without validation
Weaknesses		CWE-755
References		https://www.nlnetlabs.nl/downloads/routinator/CVE-2026-72755.txt
Metrics		cvssV3_1 `{'score': 3.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L'}`

Projects

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MITRE

Status: PUBLISHED

Assigner: NLnet Labs

Published: 2026-10-26T17:06:43.423Z

Updated: 2026-10-26T17:57:33.844Z

Reserved: 2026-08-10T14:08:41.336Z

Link: CVE-2026-72755

Vulnrichment

Updated: 2026-10-26T17:50:00.538Z

NVD

Status : Deferred

Published: 2026-10-26T18:18:41.793

Modified: 2026-10-26T18:35:08.450

Link: CVE-2026-72755

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-755

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