CVE-2026-109141
Received Received - Intake

Privilege Escalation in Routinator Software

Publication date: 2026-11-02

Last updated on: 2026-11-02

Assigner: NLnet Labs

Description
The vulnerability gives a role that is restricted to a list of CAs (cas = [...]) its full permission set for every request that is not tied to a CA, including the bulk import endpoint POST /api/v1/bulk/cas/import. It adds a new child CA under any existing CA, gives the child any of that CA's resources, and creates the ROAs given in the request

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Meta Information

Published
2026-11-02
Last Modified
2026-11-02
Generated
2026-11-02
AI Q&A
2026-11-02
EPSS Evaluated
N/A
NVD
CVE-2026-109141

Affected Vendors & Products

Showing 2 associated CPEs
Vendor Product Version / Range
nlnetlabs krill to 0.16.0 (inc)
nlnetlabs krill From 0.16.1 (inc)

Helpful Resources

Exploitability

CWE
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KEV
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CWE ID Description
CWE-639 The system's authorization functionality does not prevent one user from gaining access to another user's data or record by modifying the key value identifying the data.

Attack-Flow Graph

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Executive Summary

This vulnerability allows a restricted role with limited CA permissions to gain full access for requests not tied to a specific CA. It affects endpoints like POST /api/v1/bulk/cas/import, enabling the creation of new child CAs under existing ones, granting access to resources, and creating ROAs from the request data.

Impact Analysis

An attacker with restricted access could escalate privileges to perform unauthorized actions such as creating new CAs, accessing sensitive resources, or manipulating ROAs. This could lead to data breaches, unauthorized system access, or service disruption.

Compliance Impact

This vulnerability could lead to unauthorized access or modification of sensitive data, violating confidentiality and integrity requirements in GDPR and HIPAA. Non-compliance may result in legal penalties, reputational damage, and loss of trust.

Mitigation Strategies

Restrict role permissions to only necessary CAs and endpoints. Review and audit all requests to POST /api/v1/bulk/cas/import. Remove unauthorized child CAs and revoke any improperly granted resources or ROAs.

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