CVE-2026-59889
An attacker can exploit multiple vulnerabilities in FasterXML Jackson to manipulate data and bypass security measures.
CSIRTS triage
- What
- An attacker can exploit multiple vulnerabilities in FasterXML Jackson to manipulate data and bypass security measures.
- Who is affected
- Deployments of FasterXML Jackson.
- Urgency
- Remediation is medium urgency due to the potential for data manipulation and security bypass.
- Action
- Monitor for updates and apply patches when available.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Low exploitation risk0.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all EPSS-scored CVEs.
Advisory coverage (3)
- medium[NEW] [medium] FasterXML Jackson: Multiple vulnerabilitiescert-bund · 2026-07-28
- mediumGHSA-5gvw-p9qm-jgwh: jackson-databind: @JsonView ypassed for @JsonUnwrapped container properties on deserializ…ghsa · 2026-07-21
- mediumCVE-2026-59889: jackson-databind contains the general-purpose data-binding functionality and tree-model for Ja…nvd · 2026-07-14
External references
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[](https://www.csirts.com/cve/CVE-2026-59889)