Multiple vulnerabilities in Spring products disclosed
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Multiple Spring Framework and related product vulnerabilities allow privilege escalation, DoS, and data confidentiality breaches.
CERT-FR has published an advisory documenting multiple vulnerabilities across the Spring ecosystem, including Spring Framework, Spring LDAP, Reactor Netty, Spring REST Docs, and Spring Retry. The vulnerabilities affect multiple major and minor versions across these products and enable attackers to achieve privilege escalation, cause remote denial of service, bypass security policies, and compromise data confidentiality.
Affected versions include Spring Framework 5.3.x before 5.3.49, 6.1.x before 6.1.28, 6.2.x before 6.2.19 (open source) or 6.2.18.1 (commercial), and 7.0.x before 7.0.8 (open source) or 7.0.7.1 (commercial). Spring LDAP versions span from 2.4.x through 4.0.x with specific patch versions listed. Reactor Netty and other supporting libraries are similarly affected across multiple version branches. Organizations should immediately apply available patches from the Spring project security advisories referenced in the documentation.
Mentioned in this report
Source reporting: https://www.cert.ssi.gouv.fr/avis/CERTFR-2026-AVI-0705
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