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Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

Collected exploitation and prediction evidence

Risk source coverage

CISA KEV is observed exploitation evidence. FIRST EPSS is a dated prediction of exploitation in the next 30 days. Missing scores are unknown. This collector requests predictions only for explicit CVE aliases in the public NuGet archive; Microsoft release views retain their existing prediction scope.

No collected risk observation for these identifiers. This does not establish absence of exploitation or a zero probability.

Dated risk observations

Risk history is separate from CNA/OSV content history. Daily score drift is retained but only an upward crossing of 10% triggers the prediction change event.

Immutable source observations

8 recorded revisions

Each citation identifies one complete source statement. Source modification dates and the time this installation observed them are distinct. Latest history includes records historically associated by source identifiers; a removed alias is not a current equivalence claim. Exact citations show that source record's own earlier observations. Failed reads and unchanged polls do not rewrite history.

1 Nov 2026 06:15:15 UTC

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC token…

euvd · EUVD-2026-21150 · Published

30 Oct 2026 05:59:26 UTC

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC token…

euvd · EUVD-2026-21150 · Published

28 Oct 2026 05:00:57 UTC

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC token…

euvd · EUVD-2026-21150 · Published

27 Oct 2026 10:09:56 UTC

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC token…

nvd · CVE-2026-40109 · Published

25 Oct 2026 09:17:24 UTC

Flux notification-controller is the event forwarder and notification dispatcher for the GitOps Toolkit controllers. Prior to 1.8.3, the gcr Receiver type in Flux notification-controller does not validate the email claim of Google OIDC token…

nvd · CVE-2026-40109 · Published

24 Oct 2026 13:19:41 UTC

Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

osv · GHSA-h9cx-xjg6-5v2w · Published

24 Oct 2026 13:19:41 UTC

Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering in github.com/fluxcd/notification-controller

osv · GO-2026-5419 · Published

23 Oct 2026 15:48:27 UTC

Flux notification-controller GCR Receiver missing email validation allows unauthorized reconciliation triggering

cve-program · CVE-2026-40109 · Published

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 1 Nov 14:06 UTC · 275 of 275 readable · 271 fully read · documentation 469/469 current