CVE-2026-109141
📛 CVE Title
Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import
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
Overview
- State
- PUBLISHED
- Assigner (CNA)
- NLnet Labs
- CVSS severity
- HIGH
- CVSS score
- 8.4 / 10
- CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L- Effective score
- 8.4 / 10 HIGH source: CNA overview
- CWE(s)
-
CWE-639 - Reserved
- 2026-10-12
- Published
- 2026-11-02 15:42 UTC
- Last updated
- 2026-11-02 16:11 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/109xxx/CVE-2026-109141.json
- Linked Threat
- CVE-2026-109141 — Krill users restricted to one CA can make any other CA delegate its prefixes and publish ROAs for them via bulk import
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-115256 - Assigner
- NLnet Labs
- Published
- Nov 2, 2026, 3:42:05 PM
- Updated
- Nov 2, 2026, 4:11:53 PM
- EUVD base score (CVSS 3.1)
-
8.4 / 10
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L - EUVD-reported EPSS
- 0.0000
- Vendors
- NLnet Labs
- Products
-
Krill (patch: 0.16.1)
- Aliases
-
GHSA-9rcf-27j4-vxg2
ENISA 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
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| NLnet Labs | Krill |
0.16.1 (unaffected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109141.txt vendor-advisory
MITRE references (1) cveawg.mitre.org
Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.
- https://www.nlnetlabs.nl/downloads/krill/CVE-2026-109141.txt vendor-advisory
Web references (0)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
No web references attached yet.
Remediations (13)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:www.esri.com
Key Highlights The ArcGIS Server Security 2026 Update 3 Patch has been released. This patch resolves several security vulnerabilities in ArcGIS Server versions 12.1 and earlier on Windows and Linux platforms. Users working with versions 11.4, 11.2 or earlier are advised to upgrade to a LTS release and apply patches. While patches are provided for ArcGIS Enterprise versions in general ...
2026-11-03 11:21 UTC -
web:www.servicenow.com
Available versions To view security patch and security hotfix release notes, log into support.servicenow.com (formerly HI).
2026-11-03 11:21 UTC -
web:blogs.oracle.com
For more information about the Critical Security Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-11-03 11:21 UTC -
web:cyberupdates365.com
Track critical CVE vulnerabilities 2026 with verified enterprise patch guides. Fix zero-days across VMware, WordPress, Windows, and cloud infrastructure.
2026-11-03 10:54 UTC -
web:nvd.nist.gov
Search Please make use of the interactive search interfaces to find information in the database!
2026-11-03 10:54 UTC -
web:patchmypc.com
You can find the production release history below for 2026 . View the 2025 Catalog Release History.
2026-11-03 10:54 UTC -
web:senserva.com
Every Microsoft security patch (KB) and the CVEs it fixes, with severity, CVSS, and CISA KEV status. Cross-linked to the CVE reference.
2026-11-03 10:54 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-11-03 10:54 UTC -
web:www.oracle.com
Prior Critical Patch Update and Critical Security Patch Update advisories should be reviewed for information regarding earlier published security patches. Refer to Critical Patch Updates, Critical Security Patch Updates, Security Alerts and Bulletins for information about Oracle Security advisories.
2026-11-03 10:54 UTC -
web:app.opencve.io
The affected systems are NLnet Labs Krill installations running versions earlier than 0.16.1. The product is the Krill RPKI Management System.
2026-11-03 10:54 UTC -
web:www.thehackerwire.com
How do I fix or mitigate CVE-2026-109141 ? To protect against CVE-2026-109141 , you should: (1) Apply the latest security patches from the vendor, (2) Check official security advisories for specific remediation steps, (3) Update affected software to the latest version, and (4) Monitor your systems for any signs of exploitation.
2026-11-03 10:54 UTC -
web:blogs.oracle.com
For more information about the Critical Security Patch Update program, see the security vulnerability remediation practices page located on the Oracle Trust Center.
2026-11-03 10:54 UTC -
web:ctiwatch.com
CVE-2026-109141 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors. Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access. A successful exploit results in complete confidentiality breach (data exposure), full integrity ...
2026-11-03 10:54 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-109141.json.
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