Spring Security 5.7-5.8,6.3-6.5,7.0 RelyingPartyRegistration XSS/Code Exec
CVE-2026-41003 Published on June 9, 2026
Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting
An attacker able to influence values in RelyingPartyRegistration may be able to run arbitrary code on HTML forms generated by Spring Security filters.
Affected versions:
Spring Security 5.7.0 through 5.7.23; 5.8.0 through 5.8.25; 6.3.0 through 6.3.16; 6.4.0 through 6.4.16; 6.5.0 through 6.5.10; 7.0.0 through 7.0.5.
Vulnerability Analysis
CVE-2026-41003 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a high impact on confidentiality, with no impact on integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2026-41003 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2026-41003
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Affected Versions
Spring Security:- Version 5.7.0 and below 5.7.24 is affected.
- Version 5.8.0 and below 5.8.26 is affected.
- Version 6.3.0 and below 6.3.17 is affected.
- Version 6.4.0 and below 6.4.17 is affected.
- Version 6.5.0 and below 6.5.11 is affected.
- Version 7.0.0 and below 7.0.6 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.