CVE-2026-18401 jackson-core: Number length constraint bypass in non-blocking (async) JSON parser leads to potential denial of service
| Reporter | Title | Published | Views | Family All 19 |
|---|---|---|---|---|
 | CVE-2026-18401 | 4 Aug 202614:23 | – | attackerkb |
| CVE-2026-68494 | 4 Aug 202614:39 | – | attackerkb |
 | Amazon Linux 2023 : jackson-core (ALAS2023-2026-2067) | 18 Aug 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-18401 | 4 Aug 202600:00 | – | nessus |
| Linux Distros Unpatched Vulnerability : CVE-2026-68494 | 5 Aug 202600:00 | – | nessus |
 | Important: jackson-core | 17 Aug 202600:00 | – | amazon |
 | CVE-2026-18401 | 4 Aug 202614:23 | – | cve |
 | CVE-2026-18401 | 4 Aug 202614:23 | – | debiancve |
 | EUVD-2026-52699 | 4 Aug 202614:23 | – | euvd |
| EUVD-2026-52703 | 4 Aug 202614:39 | – | euvd |
10
[
{
"vendor": "FasterXML",
"product": "jackson-core",
"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "com.fasterxml.jackson.core:jackson-core",
"repo": "https://github.com/FasterXML/jackson-core",
"programFiles": [
"src/main/java/com/fasterxml/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java"
],
"programRoutines": [
{
"name": "NonBlockingUtf8JsonParserBase._finishNumberIntegralPart"
},
{
"name": "NonBlockingUtf8JsonParserBase._valueComplete"
}
],
"versions": [
{
"status": "affected",
"version": "2.15.0",
"lessThanOrEqual": "2.18.5",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "2.18.6",
"versionType": "maven"
},
{
"status": "affected",
"version": "2.19.0",
"lessThan": "2.21.1",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "2.21.1",
"versionType": "maven"
}
],
"defaultStatus": "unaffected"
},
{
"vendor": "FasterXML",
"product": "jackson-core",
"collectionURL": "https://repo.maven.apache.org/maven2",
"packageName": "tools.jackson.core:jackson-core",
"repo": "https://github.com/FasterXML/jackson-core",
"programFiles": [
"src/main/java/tools/jackson/core/json/async/NonBlockingUtf8JsonParserBase.java"
],
"programRoutines": [
{
"name": "NonBlockingUtf8JsonParserBase._finishNumberIntegralPart"
},
{
"name": "NonBlockingUtf8JsonParserBase._valueComplete"
}
],
"versions": [
{
"status": "affected",
"version": "3.0.0",
"lessThan": "3.1.0",
"versionType": "maven"
},
{
"status": "unaffected",
"version": "3.1.0",
"versionType": "maven"
}
],
"defaultStatus": "unaffected"
}
]Data
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04 Aug 2026 14:23Current
CVSS 46.9
EPSS0.0031