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[UPDATE] [medium] FasterXML Jackson: Vulnerability allows bypassing security measures

medium
A remote, anonymous attacker can exploit a vulnerability in FasterXML Jackson to bypass security measures.

CSIRTS triage

vendor: FasterXMLproduct: JacksonAuthentication bypass
What
A vulnerability allows bypassing security measures.
Who is affected
Remote, anonymous attackers targeting applications using FasterXML Jackson.
Urgency
Remediation is medium urgency due to the medium severity of the vulnerability.
Action
Update to the latest version of FasterXML Jackson.

AI-assisted analysis generated from the source advisory — verify against the original.

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Details

Source
CERT-Bund (BSI) Security Advisories (DE · national-cert · site)
Severity
medium
Published
2026-07-07
Exploitation
Not in CISA KEV at last sync
Language
Machine-translated to English — verify against the original

Original advisory: https://wid.cert-bund.de/portal/wid/securityadvisory?name=WID-SEC-2026-0969

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.

More from CERT-Bund (BSI) Security Advisories