Description
FasterXML Jackson 1.x, confirmed in jackson-mapper-asl versions 1.8.3, 1.9.2, 1.9.11, 1.9.12, and 1.9.13, allows attackers to cause a denial of service by supplying deeply nested JSON input to an application that deserializes untrusted JSON using ObjectMapper.readValue.
Published: 2026-10-15
Score: 7.5 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Fri, 16 Oct 2026 22:45:00 +0000

Type Values Removed Values Added
Title Denial of Service via Deeply Nested JSON in FasterXML Jackson 1.x

Thu, 15 Oct 2026 21:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Thu, 15 Oct 2026 20:30:00 +0000

Type Values Removed Values Added
Weaknesses CWE-674
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

Thu, 15 Oct 2026 15:30:00 +0000

Type Values Removed Values Added
Description FasterXML Jackson 1.x, confirmed in jackson-mapper-asl versions 1.8.3, 1.9.2, 1.9.11, 1.9.12, and 1.9.13, allows attackers to cause a denial of service by supplying deeply nested JSON input to an application that deserializes untrusted JSON using ObjectMapper.readValue.
References

Subscriptions

No data.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2026-10-15T19:57:53.490Z

Reserved: 2026-09-22T00:00:00.000Z

Link: CVE-2026-95155

cve-icon Vulnrichment

Updated: 2026-10-15T19:56:34.789Z

cve-icon NVD

Status : Deferred

Published: 2026-10-15T16:18:24.470

Modified: 2026-10-16T19:56:15.773

Link: CVE-2026-95155

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-16T22:30:14Z

Weaknesses