CVE-2026-110879 - Vulnerability Details - OpenCVE

PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [CVE-2026-110879]

No CVSS v4.0

Attack Vector Network

Attack Complexity High

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

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OpenCVE Enrichment is a feature of OpenCVE that uses AI to automatically link vendors and products to CVEs. Learn more on GitHub.

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References

Link	Providers
https://nvd.nist.gov/vuln/detail/CVE-2026-110879
https://www.cve.org/CVERecord?id=CVE-2026-110879

History

Thu, 22 Oct 2026 12:30:00 +0000

Type	Values Removed	Values Added
Description		PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [CVE-2026-110879]
Title		jackson-databind: com.fasterxml.jackson.core/jackson-databind: tools.jackson.core/jackson-databind: Jackson-databind: PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CV
Weaknesses		CWE-1035
References		https://nvd.nist.gov/vuln/detail/CVE-2026-110879 https://www.cve.org/CVERecord?id=CVE-2026-110879
Metrics	threat_severity `None`	cvssV3_1 `{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}` threat_severity `Important`

Projects

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MITRE

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Vulnrichment

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NVD

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Redhat

Severity : Important

Publid Date: 2026-10-20T22:44:36Z

Links: CVE-2026-110879 - Bugzilla

OpenCVE Enrichment

Updated: 2026-10-22T15:15:07Z

Weaknesses

CWE-1035

{"bugzilla": {"description": "jackson-databind: com.fasterxml.jackson.core/jackson-databind: tools.jackson.core/jackson-databind: Jackson-databind: PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CV", "id": "2558783", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2558783"}, "csaw": false, "cvss3": {"cvss3_base_score": "8.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "cwe": "CWE-1035", "details": ["PolymorphicTypeValidator bypass via generic type arguments and array element types in jackson-databind allows arbitrary class instantiation (incomplete fix for CVE-2026-54512) [CVE-2026-110879]"], "mitigation": {"lang": "en:us", "value": "See https://github.com/FasterXML/jackson-databind/security/advisories/GHSA-m8xf-2cr7-77ph for fixed versions and remediation guidance."}, "name": "CVE-2026-110879", "package_state": [{"cpe": 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7"}, {"cpe": "cpe:/a:redhat:amq_streams:3", "fix_state": "Affected", "package_name": "jackson-databind", "product_name": "streams for Apache Kafka 3"}], "public_date": "2026-10-20T22:44:36Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-110879\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-110879"], "threat_severity": "Important"}