How many CVEs have patched _appendSubClassMatcher?

1 published CVEs changed _appendSubClassMatcher in fasterxml/jackson-databind, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.

What is the latest CVE that changed _appendSubClassMatcher?

CVE-2026-54512 (jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation), published 2026-06-23, changed lines 425 to 426 of src/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java.

How does _appendSubClassMatcher compare to the rest of fasterxml/jackson-databind?

fasterxml/jackson-databind has 72 CVEs with a located fix in total; 1 of them changed _appendSubClassMatcher.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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_appendSubClassMatcher

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Patched Functions
Fasterxml
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_appendSubClassMatcher

_appendSubClassMatcher in fasterxml/jackson-databind: Patched by 1 CVEs

fasterxml/jackson-databind

Function

_appendSubClassMatcher

Name: _appendSubClassMatcher in fasterxml/jackson-databind: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

src/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java

Last patched June 23, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_appendSubClassMatcher in fasterxml/jackson-databind was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 6 lines in total.

fasterxml/jackson-databind has 72 CVEs with a located fix in total, so 1% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed _appendSubClassMatcher, newest first, with the lines each fix touched.

jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation
CVE-2026-54512 · lines 425–426 · +4 −2 in 2 hunks
High · CVSS 8.1
EPSS 1.0%2026-06-23

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1validateSubTypesrc/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java2 CVEs · 3 patches2026
2allowIfBaseTypesrc/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java1 CVEs · 2 patches2026
3allowIfSubTypesrc/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java1 CVEs · 2 patches2026
4BasicPolymorphicTypeValidatorsrc/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java1 CVEs · 2 patches2026
5buildsrc/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java1 CVEs · 2 patches2026

Other hotspots in the repository

Functions in fasterxml/jackson-databind changed by the most CVE fixes.

checkIllegalTypes4 CVEs · src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializerFactory.java validateSubType3 CVEs · src/main/java/com/fasterxml/jackson/databind/jsontype/impl/SubTypeValidator.java createBeanDeserializer3 CVEs · src/main/java/com/fasterxml/jackson/databind/deser/BeanDeserializerFactory.java _parseIntPrimitive2 CVEs · src/main/java/com/fasterxml/jackson/databind/deser/std/StdDeserializer.java _parseDoublePrimitive2 CVEs · src/main/java/com/fasterxml/jackson/databind/deser/std/StdDeserializer.java _parseBooleanPrimitive2 CVEs · src/main/java/com/fasterxml/jackson/databind/deser/std/StdDeserializer.java

All patched functions in fasterxml/jackson-databind

Frequently asked questions

Common questions about CVE fixes to _appendSubClassMatcher.

How many CVEs have patched _appendSubClassMatcher?: 1 published CVEs changed _appendSubClassMatcher in fasterxml/jackson-databind, in 1 distinct patches totalling 6 changed lines, between 2026 and 2026.
What is the latest CVE that changed _appendSubClassMatcher?: CVE-2026-54512 (jackson-databind: PolymorphicTypeValidator bypass via generic type parameters allows arbitrary class instantiation), published 2026-06-23, changed lines 425 to 426 of src/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java.
How does _appendSubClassMatcher compare to the rest of fasterxml/jackson-databind?: fasterxml/jackson-databind has 72 CVEs with a located fix in total; 1 of them changed _appendSubClassMatcher.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

src/main/java/com/fasterxml/jackson/databind/jsontype/BasicPolymorphicTypeValidator.java on GitHub (opens in a new tab)
All patched functions in fasterxml/jackson-databind
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References