CVE-2026-109140

Description

The vulnerability is that Krill encrypts every login-session token with a nonce built from a counter that is reset to 0 on every Krill restart, so the same (key, nonce) pair is used again after each restart.

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-323
Reserved: 2026-10-12
Published: 2026-11-02 15:41 UTC
Last updated: 2026-11-02 16:12 UTC
Source: https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/109xxx/CVE-2026-109140.json
Linked Threat: CVE-2026-109140 — Krill login-session tokens reuse their encryption nonce across restarts, so any user who can log in can forge an "admin" token

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-2026-109140.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.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-109140.json.

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                "timestamp": "2026-11-02T16:12:47.575702Z",
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