HIGHMaven →
Spring Security SAML2 Service Provider: Unbounded writer inflates the compressed SAML payload into memory (DoS)
Spring Security SAML2 Service Provider: Unbounded writer inflates the compressed SAML payload into memory (DoS)
Affected packages
- org.springframework.security:spring-security-saml2-service-provider— 7.0.0 → 7.0.6
Exploit signal
- Known exploited (CISA KEV)
- No
- EPSS score
- —
- EPSS percentile
- —
EPSS is the probability a CVE is exploited in the wild; percentile is its rank among all CVEs.
Sources
- https://nvd.nist.gov/vuln/detail/CVE-2026-40988
- https://github.com/spring-projects/spring-security
- https://github.com/spring-projects/spring-security/releases/tag/6.5.11
- https://github.com/spring-projects/spring-security/releases/tag/7.0.6
- https://spring.io/security/cve-2026-40988
Structured record: https://osv.dev/vulnerability/GHSA-m69x-pw9p-7j3q
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