# FasterXML Jackson-Core vulnerabilities Source: https://junglewise.ai/threats/technologies/jackson-core Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats Updated: 9 November 2026, 03:07 UTC. Rebuilt every hour. Data: https://junglewise.ai/threats/technologies/jackson-core.json License: CC BY 4.0 with a link back Junglewise Threat Intelligence has tracked 7 vulnerabilities in FasterXML Jackson-Core: 0 in the last 7 days and 3 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-68498, was published on 16 October 2026. 1 vulnerability in the last four weeks, down 50% on the four before (2). ## Counts - Last 7 days: 0 - Last 30 days: 1 - Last 90 days: 3 - All time: 7 (0 critical, 0 exploited in the wild) ## About FasterXML Jackson-Core A Java library for processing JSON data and serialization/deserialization. ## Latest FasterXML Jackson-Core vulnerabilities - [CVE-2026-68498: Jackson Core denial of service via unbounded JSON property name allocation](https://junglewise.ai/threats/cve-2026-68498-streamreadconstraints-maxnamelength-default-50-000-characters-is) (high, CVSS 7.5, published 16 Oct 2026) - [CVE-2026-89425: FasterXML jackson-core denial of service in UTF8DataInputJsonParser](https://junglewise.ai/threats/cve-2026-89425-utf8datainputjsonparser-reportinvalidtoken-in-fasterxml-jackson) (high, CVSS 7.5, published 23 Sep 2026) - [CVE-2026-89407: FasterXML jackson-core regular expression denial of service in NumberInput](https://junglewise.ai/threats/cve-2026-89407-numberinput-lookslikevalidnumber-in-fasterxml-jackson-core-pre) (high, CVSS 7.5, published 22 Sep 2026) - [FasterXML jackson-core number length constraint bypass in async parser](https://junglewise.ai/threats/fasterxml-jackson-core-number-length-constraint-bypass-in-async-parser-78aa3f75) (medium, CVSS 8.7, published 4 Aug 2026) - [CVE-2026-68494: FasterXML jackson-core incomplete number length validation bypass](https://junglewise.ai/threats/cve-2026-68494-fasterxml-jackson-core-incomplete-number-length-validation-bypass) (info, CVSS 7.5, published 4 Aug 2026) - [FasterXML jackson-core memory exhaustion in async parser via chunked digits](https://junglewise.ai/threats/fasterxml-jackson-core-memory-exhaustion-in-async-parser-via-chunked-aac0fe2a) (high, CVSS 8.7, published 21 Jul 2026) - [CVE-2026-29062: FasterXML jackson-core DoS via nesting depth limit bypass](https://junglewise.ai/threats/cve-2026-29062-fasterxml-jackson-core-dos-via-nesting-depth-limit-bypass) (high, CVSS 7.5, published 6 Mar 2026) ## Most severe FasterXML Jackson-Core vulnerabilities - [FasterXML jackson-core memory exhaustion in async parser via chunked digits](https://junglewise.ai/threats/fasterxml-jackson-core-memory-exhaustion-in-async-parser-via-chunked-aac0fe2a) (high, CVSS 8.7, published 21 Jul 2026) - [CVE-2026-29062: FasterXML jackson-core DoS via nesting depth limit bypass](https://junglewise.ai/threats/cve-2026-29062-fasterxml-jackson-core-dos-via-nesting-depth-limit-bypass) (high, CVSS 7.5, published 6 Mar 2026) - [CVE-2026-89407: FasterXML jackson-core regular expression denial of service in NumberInput](https://junglewise.ai/threats/cve-2026-89407-numberinput-lookslikevalidnumber-in-fasterxml-jackson-core-pre) (high, CVSS 7.5, published 22 Sep 2026) - [CVE-2026-89425: FasterXML jackson-core denial of service in UTF8DataInputJsonParser](https://junglewise.ai/threats/cve-2026-89425-utf8datainputjsonparser-reportinvalidtoken-in-fasterxml-jackson) (high, CVSS 7.5, published 23 Sep 2026) - [CVE-2026-68498: Jackson Core denial of service via unbounded JSON property name allocation](https://junglewise.ai/threats/cve-2026-68498-streamreadconstraints-maxnamelength-default-50-000-characters-is) (high, CVSS 7.5, published 16 Oct 2026) - [FasterXML jackson-core number length constraint bypass in async parser](https://junglewise.ai/threats/fasterxml-jackson-core-number-length-constraint-bypass-in-async-parser-78aa3f75) (medium, CVSS 8.7, published 4 Aug 2026) - [CVE-2026-68494: FasterXML jackson-core incomplete number length validation bypass](https://junglewise.ai/threats/cve-2026-68494-fasterxml-jackson-core-incomplete-number-length-validation-bypass) (info, CVSS 7.5, published 4 Aug 2026) ## Vulnerabilities per week 1 vulnerability in the last four weeks, down 50% on the four before (2). | Week of | Vulns | Critical | Exploited | | --- | --- | --- | --- | | 17 Aug 2026 | 0 | 0 | 0 | | 24 Aug 2026 | 0 | 0 | 0 | | 31 Aug 2026 | 0 | 0 | 0 | | 7 Sep 2026 | 0 | 0 | 0 | | 14 Sep 2026 | 0 | 0 | 0 | | 21 Sep 2026 | 2 | 0 | 0 | | 28 Sep 2026 | 0 | 0 | 0 | | 5 Oct 2026 | 0 | 0 | 0 | | 12 Oct 2026 | 1 | 0 | 0 | | 19 Oct 2026 | 0 | 0 | 0 | | 26 Oct 2026 | 0 | 0 | 0 | | 2 Nov 2026 | 0 | 0 | 0 | | 9 Nov 2026 | 0 | 0 | 0 | ## Other FasterXML technologies - [FasterXML Jackson-Databind](https://junglewise.ai/threats/technologies/jackson-databind): 20 vulnerabilities ## Sources NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "FasterXML Jackson-Core vulnerabilities", https://junglewise.ai/threats/technologies/jackson-core, 9 November 2026.