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Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

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.

CVE-2026-46616

Exact risk observation. Current source statements above are a separate evidence layer. Latest risk evidence.

No KEV entry is attached to this observation; this is not evidence that exploitation is absent.

FIRST EPSS: 0.18 % · percentile 7.53 % · scored 31 Oct 2026. Retained older prediction.

Observed 01 Nov 2026 03:04:52 UTC · Complete immutable risk JSON

Immutable source observations

10 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 10:38:58 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

5 Nov 2026 10:04:19 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

3 Nov 2026 09:09:00 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

1 Nov 2026 08:15:20 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

30 Oct 2026 08:00:51 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

28 Oct 2026 06:15:53 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

euvd · EUVD-2026-36069 · Published

27 Oct 2026 13:11:40 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

nvd · CVE-2026-46616 · Published

25 Oct 2026 12:17:20 UTC

Umbraco is an ASP.NET CMS. Prior to versions 13.14.0 and 17.4.0, some of the Surface Controllers in the CMS provide to support member related operations fail to validate redirect URLs, making Razor templates that derive 'RedirectUrl' from u…

nvd · CVE-2026-46616 · Published

23 Oct 2026 16:01:25 UTC

Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

osv · GHSA-2qjj-h6wp-c7h7 · Published

23 Oct 2026 15:48:27 UTC

Umbraco.Cms: Open Redirect Vulnerability in Surface Controllers

cve-program · CVE-2026-46616 · 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 7 Nov 18:17 UTC · 275 of 275 readable · 274 fully read · documentation 469/469 current