jackson-databind @JsonIgnoreProperties Case-Insensitive Bypass (CVE-2026-54515)
Security Advisory
CVE-2026-54515
Medium
FasterXML/jackson-databind
Affected:
- com.fasterxml.jackson.core:jackson-databind < 2.18.9
- com.fasterxml.jackson.core:jackson-databind >= 2.19.0, < 2.21.5
- com.fasterxml.jackson.core:jackson-databind >= 2.22.0, < 2.22.1
- com.fasterxml.jackson.core:jackson-databind >= 3.1.0, < 3.1.4
- tools.jackson.core:jackson-databind < 2.18.9
Fixed in:
- 2.18.9
- 2.21.5
- 2.22.1
- 3.1.4
Referenced CVEs:
CVE-2026-54515 · 5.3
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