XML External Entity is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.
XML External Entity is a vulnerability tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed November 24, 2025; most recent activity November 25, 2025.
Several critical security vulnerabilities were identified in various versions of OpenJDK, affecting Ubuntu 25.10 and its derivatives. The issues include improper handling of encoded strings and XML External Entity (XEE)…
OpenJDK versions 21 and 25 have been found to contain vulnerabilities that allow unauthenticated remote attackers to potentially modify files or leak sensitive information. The issues were discovered in the Security…
XML External Entity is a vulnerability tracked by ThreatCluster, appearing in 2 threat clusters built from 2 intelligence report mentions.
The most recent intelligence report mentioning XML External Entity on ThreatCluster is dated November 25, 2025. Activity was first observed November 24, 2025, giving a tracked span from then to November 25, 2025.
Across ThreatCluster reporting, XML External Entity most frequently co-occurs with Data Breach, Ubuntu, CVE-2025-53057, CVE-2025-53066, CVE-2025-61748, among 8 tracked related entities.
The most significant recent cluster is “Multiple OpenJDK Vulnerabilities Discovered in Ubuntu 25.10 and Derivatives” (11 articles · Updated December 2, 2025). XML External Entity appears across 2 threat clusters in total, listed above with sources.
XML External Entity appears in 2 intelligence report mentions across 2 deduplicated threat clusters, aggregated from 17,000+ monitored sources.