RHLW-2026-2cf5e53d95861e97

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Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-2cf5e53d95861e97.json
Import Source
https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-2cf5e53d95861e97.json
JSON Data
https://api.osv.dev/v1/vulns/RHLW-2026-2cf5e53d95861e97
Upstream
CVE (3)
GHSA (3)
Published
2026-10-12T16:59:41Z
Modified
2026-10-27T04:13:02Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Lightwell Security Advisory: spring-security-saml2-service-provider 5.7.11.rhlw-00006
Details

Red Hat Lightwell has released org.springframework.security:spring-security-saml2-service-provider 5.7.11.rhlw-00006 with backported fixes for CVE-2026-40988, CVE-2026-41003, and CVE-2026-41694.

CVE-2026-40988: Unbounded DEFLATE Inflation in SAML 2.0 Service Provider

CVE-2026-41003: Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

CVE-2026-41694: SAML Payloads Decrypted Without Valid Signature

This patched artifact is a drop-in replacement for org.springframework.security:spring-security-saml2-service-provider 5.7.11 from Maven Central.

References
Credits
    • Red Hat Lightwell - REMEDIATION_DEVELOPER

Affected packages

Red Hat Lightwell:Maven / org.springframework.security:spring-security-saml2-service-provider

Package

Name
org.springframework.security:spring-security-saml2-service-provider
Purl
pkg:maven/org.springframework.security/spring-security-saml2-service-provider

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
5.7.11.rhlw-00006

Affected versions

5.*
5.2.0.RELEASE
5.2.1.RELEASE
5.2.2.RELEASE
5.2.3.RELEASE
5.2.4.RELEASE
5.2.5.RELEASE
5.2.6.RELEASE
5.2.7.RELEASE
5.2.8.RELEASE
5.2.9.RELEASE
5.2.10.RELEASE
5.2.11.RELEASE
5.2.12.RELEASE
5.2.13.RELEASE
5.2.14.RELEASE
5.2.15.RELEASE
5.3.0.RELEASE
5.3.1.RELEASE
5.3.2.RELEASE
5.3.3.RELEASE
5.3.4.RELEASE
5.3.5.RELEASE
5.3.6.RELEASE
5.3.7.RELEASE
5.3.8.RELEASE
5.3.9.RELEASE
5.3.10.RELEASE
5.3.11.RELEASE
5.3.12.RELEASE
5.3.13.RELEASE
5.4.0
5.4.1
5.4.2
5.4.3
5.4.4
5.4.5
5.4.6
5.4.7
5.4.8
5.4.9
5.4.10
5.4.11
5.5.0
5.5.1
5.5.2
5.5.3
5.5.4
5.5.5
5.5.6
5.5.7
5.5.8
5.6.0
5.6.1
5.6.2
5.6.3
5.6.4
5.6.5
5.6.6
5.6.7
5.6.8
5.6.9
5.6.10
5.6.11
5.6.12
5.7.0
5.7.1
5.7.2
5.7.3
5.7.4
5.7.5
5.7.6
5.7.7
5.7.8
5.7.9
5.7.10
5.7.11

Database specific

lightwell 
{
    "backport_base_version":  "5.7.11",
    "remediated_version":  "5.7.11.rhlw-00006",
    "repository_url":  "https://packages.redhat.com/lightwell/java/remediated/"
}
source 
"https://github.com/project-lightwell/lightwell-osv/blob/main/advisories/RHLW-2026-2cf5e53d95861e97.json"