[NEW] [medium] FasterXML Jackson: Multiple vulnerabilities
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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Details
Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-2350
Exploitation outlook
EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.
- Low exploitation riskCVE-2026-598880.25% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 16% of all scored CVEs.
- Low exploitation riskCVE-2026-598890.35% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 27% of all scored CVEs.
Referenced CVEs
| CVE | CSIRTS overview | External |
|---|---|---|
| CVE-2026-59888 | coverage & exploitation status | NVD · CVE.org |
| CVE-2026-59889 | coverage & exploitation status | NVD · CVE.org |
Same CVEs, other sources
How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.
- mediumGHSA-5gvw-p9qm-jgwh: jackson-databind: @JsonView ypassed for @JsonUnwrapped container properties on deserializ…ghsa
- mediumGHSA-3pjw-73gf-8qr5: jackson-databind: @JsonIgnore on a Record property is bypassed with a PropertyNamingStrat…ghsa
- mediumCVE-2026-59889: jackson-databind contains the general-purpose data-binding functionality and tree-model for Ja…nvd
- mediumCVE-2026-59888: jackson-databind contains the general-purpose data-binding functionality and tree-model for Ja…nvd
Recent advisories for FasterXML Jackson
A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.
- high[UPDATE] [high] FasterXML Jackson: Multiple vulnerabilitiescert-bund · 2026-07-30
- medium[UPDATE] [medium] FasterXML Jackson: Vulnerability allows bypassing security measurescert-bund · 2026-07-07
- medium[UPDATE] [medium] FasterXML Jackson: Vulnerability allows Denial of Servicecert-bund · 2026-07-06
- low[UPDATE] [low] FasterXML Jackson: Vulnerability allows information disclosurecert-bund · 2026-07-06
- medium[UPDATE] [medium] FasterXML Jackson: Multiple vulnerabilities allow Denial of Servicecert-bund · 2026-07-06
More from CERT-Bund (BSI) Security Advisories
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- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow denial of service2026-07-31
- medium[UPDATE] [medium] Linux Kernel: Multiple vulnerabilities allow unspecified attack2026-07-31