Umbraco in Spanish

How Umbraco works underneath, version by version, written in Spanish with the code in plain sight — by the people who do the upgrades rather than the people who sell them.

14 articles

July 2025: the Delivery API cache that forgot to check the API key

Umbraco

July 2025: the Delivery API cache that forgot to check the API key

· JD + AI

A moderate-severity Content Delivery API advisory patched in 13.9.3, 15.4.4 and 16.1.1; three uSync releases in nine days, all of it v13 upgrade debt; and Umbraco's roadmap post on MCP, Compose and search.

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June 2025: Codegarden filled the roadmap and Umbraco 10 ran out of free patches

Umbraco

June 2025: Codegarden filled the roadmap and Umbraco 10 ran out of free patches

· JD + AI

Two moderate advisories, the last public patch for Umbraco 10, uSync moving development to v16, and Codegarden announcements that mostly land after the v17 LTS.

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May 2025: the patch you could not apply until you upgraded first

Umbraco

May 2025: the patch you could not apply until you upgraded first

· JD + AI

Umbraco's 6 May advisory fixed a moderate user-enumeration issue in 10.x and 13.x, but the patch only exists on the latest minor. Plus ContentAudit, uSync 15.1.8 and the v16 release candidate.

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April 2025: the advisory got worse three days after the patch shipped

Umbraco

April 2025: the advisory got worse three days after the patch shipped

· JD + AI

Umbraco patched CMS 14 and 15 on April 8 and raised the severity from moderate to high on April 11. Plus Canadian hosting, Flexible Environments, SSO, and uSync 15.1.6.

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March 2025: the Umbraco patch you could not apply where you stood

Umbraco

March 2025: the Umbraco patch you could not apply where you stood

· JD + AI

March's advisory fixed two moderate CMS issues plus a high-severity ImageSharp CVE, but only on the latest minor of each supported major. Also: uSync 13.2.7 and 15.1.5, a V8-to-V13 upgrade written up honestly, and a backoffice accessibility fix.

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January 2025: the patch was easy, getting to the patch was not

Umbraco

January 2025: the patch was easy, getting to the patch was not

· JD + AI

Three moderate-severity issues patched on 21 January 2025 in Umbraco 10.8.8, 13.5.3, 14.3.2 and 15.1.2 — and the catch is that you must already be on the latest minor. Six items in the whole month, half of them from Umbraco HQ.

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