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Backstage: Unsupported catalog cluster authentication mode in kubernetes backend

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

9 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.

7 Nov 2026 04:30:25 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

5 Nov 2026 03:57:36 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

3 Nov 2026 03:00:50 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

1 Nov 2026 02:08:24 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

30 Oct 2026 01:52:25 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

28 Oct 2026 00:49:31 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

euvd · EUVD-2026-94005 · Published

25 Oct 2026 04:17:41 UTC

Backstage is an open framework for building developer portals. Prior to 0.21.10, the @backstage/plugin-kubernetes-backend package is affected by unsupported catalog cluster authentication mode in kubernetes backend. Deployments using catalo…

nvd · CVE-2026-106487 · Published

24 Oct 2026 13:17:17 UTC

Backstage: Unsupported catalog cluster authentication mode in kubernetes backend

osv · GHSA-h53x-hjx6-25gr · Published

23 Oct 2026 15:48:27 UTC

Backstage: Unsupported catalog cluster authentication mode in kubernetes backend

cve-program · CVE-2026-106487 · 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 8 Nov 06:21 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current