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 28 Oct 2026 05:00:35 UTC. It does not establish the source's current position. Latest evidence.
euvd · EUVD-2026-21488
PublishedEUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.
Original publisher date fields
datePublished: Apr 10, 2026, 3:44:17 PM
dateUpdated: Apr 10, 2026, 5:35:01 PM
1 related source bulletins · separate from aliases
WID-SEC-W-2026-1054: Apache log4net: Schwachstelle ermöglicht Manipulation von Dateien
CVE-2026-40021
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