CVE•Published 2026-06-09•Modified 2026-06-09•1 article on news•5 live references•NVD data
CVE-2026-41855
Vulnerability data via NVD (ingested)
CVSS v3.1
8.1
HIGH
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS percentile
—
Weaknesses (CWE)
Description
In an untrusted JMS environment, org.springframework.jms.support.converter.MappingJackson2MessageConverter and org.springframework.jms.support.converter.JacksonJsonMessageConverter allow arbitrary class instantiation, which can lead to unauthorized actions via gadget class deserialization. Affected versions: Spring Framework 7.0.0 through 7.0.7; 6.2.0 through 6.2.18; 6.1.0 through 6.1.27; 5.3.0 through 5.3.48.
Timeline
Published 2026-06-09
Modified 2026-06-09
External references
Search for exposed instances
Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).
More intel sources (5)
Shodan report
vuln:CVE-2026-41855Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-41855Censys host search filtered to this CVE id.
grep.app
CVE-2026-41855Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-41855GitHub code search for direct mentions.
Google dork
"CVE-2026-41855" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-41855 on GitHub.