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jackson-databind CVE-2026-81776 Polymorphic Deserialization DoS via Unbounded Cache

github.com 2026-09-23 English translation pending; showing Chinese 查看中文 →
Security Advisory CVE-2026-81776 High FasterXML
Affected:
  • com.fasterxml.jackson.core:jackson-databind >= 2.0.0, < 2.18.10
  • com.fasterxml.jackson.core:jackson-databind >= 2.19.0, < 2.21.6
  • com.fasterxml.jackson.core:jackson-databind >= 2.22.0, < 2.22.2
  • com.fasterxml.jackson.core:jackson-databind >= 3.0.0, < 3.1.6
  • com.fasterxml.jackson.core:jackson-databind >= 3.2.0, < 3.2.2
Fixed in:
  • 2.18.11
  • 2.21.7
  • 2.22.3
  • 3.1.7
  • 3.2.3
Referenced CVEs: CVE-2026-91776 · 7.5
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