CVE•Published 2026-06-09•0 articles on news•5 live references•NVD data
CVE-2026-41839
Vulnerability data via NVD (ingested)
CVSS v3.1
4.2
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS percentile
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Weaknesses (CWE)
Description
A WebFlux application with a compromised subdomain (for example, compromised via cross-site scripting (XSS)) is vulnerable to an escalation attack exchanging a known session ID for that of an authenticated user. 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-2026-41839Country / ASN / product breakdown for the vuln query.
Censys
vulnerabilities.cve_id: CVE-2026-41839Censys host search filtered to this CVE id.
grep.app
CVE-2026-41839Public source-code mentions — fast PoC discovery.
GitHub code
CVE-2026-41839GitHub code search for direct mentions.
Google dork
"CVE-2026-41839" exploit -site:nvd.nist.govWrite-ups and news, NVD excluded.
Known PoCs on GitHub
No public proof-of-concept repositories found for CVE-2026-41839 on GitHub.
We haven't classified any articles referencing CVE-2026-41839 yet. The external references above still apply.