FasterXML Jackson Vulnerability - Security Bypass (CVSS 7.5)
Summary
CERT-Bund issued a security advisory regarding a vulnerability in FasterXML Jackson versions 3.0.0 through 3.1.0. The vulnerability, with a CVSS Base Score of 7.5, allows remote anonymous attackers to bypass security measures in the JSON processing library. Affected platforms include Linux, Windows, UNIX, and other operating systems running Java applications that utilize the library.
What changed
CERT-Bund published advisory WID-SEC-2026-0969 disclosing a high-severity vulnerability in FasterXML Jackson JSON processing library. The vulnerability enables remote unauthenticated attackers to circumvent security controls. All organizations running Java applications with affected Jackson versions (3.0.0-3.1.0) on Linux, Windows, UNIX, or other platforms are potentially exposed.
Organizations utilizing this widely-adopted Java library should prioritize vulnerability assessment and patch management. Failure to address this vulnerability could result in security bypass attacks compromising application integrity and confidentiality.
What to do next
- Identify and audit systems using FasterXML Jackson 3.0.0-3.1.0 for exposure
- Apply vendor patches or mitigation measures as soon as available
- Review and update security configurations for JSON processing in affected applications
Archived snapshot
Apr 8, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
[WID-SEC-2026-0969] FasterXML Jackson: Schwachstelle ermöglicht Umgehen von Sicherheitsvorkehrungen CVSS Base Score 7.5 (hoch) CVSS Temporal Score 6.7 (mittel) Remoteangriff ja Datum 06.04.2026 Stand 07.04.2026 Mitigation ja
Betroffene Systeme
Betriebssystem
- Linux
- Sonstiges
- UNIX
- Windows
Produktbeschreibung
Jackson ist eine quelloffene Bibliothek zur JSON-Verarbeitung in Java.
Produkte
06.04.2026
- FasterXML Jackson 3.0.0-3.1.0
Angriff
Angriff
Ein entfernter, anonymer Angreifer kann eine Schwachstelle in FasterXML Jackson ausnutzen, um Sicherheitsvorkehrungen zu umgehen. CVE Informationen Versionshistorie Feedback zum Advisory geben
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Source
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