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CVE-2026-40021Published

Apache Log4net's XmlLayout https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list and XmlLayoutSchemaLog4J https://logging.apache.org/log4net/manual/configuration/layouts.html#layout-list , in versions before 3.…

Exact source revision recorded 25 Oct 2026 09:17:24 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

nvd · CVE-2026-40021

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-116

Original publisher date fields

published: 2026-04-10T16:16:32.420

lastModified: 2026-06-17T10:44:36.773

1 source CPE criteria · context only
  • cpe:2.3:a:apache:log4net:*:*:*:*:*:*:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

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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 30 Oct 04:09 UTC · 272 of 272 readable · 270 fully read · documentation 469/469 current

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