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CVE record · 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

CVSS 8.4 HighEPSS 0.0031 · 23rd percentile

Published by the CVE Program (CNA: NLnet Labs) at 2 Nov 2026, 15:41 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
NLnet Labs Krill
  • unaffected 0.16.1 to before * semver
Other versions: affected
Identifiers
CVE-2026-109140
CNA
NLnet Labs
Weakness (CWE)
CWE-323
Tags
Published
2 Nov 2026
Updated
2 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
8.4 High 3.1 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:L CNA (NLnet Labs)
  • CISA KEV Not listed.
  • EPSS 0.0031, the 23rd percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 2 Nov 2026, 15:41 UTC Confirmed by the CVE List
  2. 2 Nov 2026, 15:52 UTC First seen by agentprime
  3. 2 Nov 2026, 16:17 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.