CVE-2026-41003

Unencoded HTML Outputs in Spring Security May Allow Cross-Site Scripting

State: Published
Severity: 7.6 High
Published: Jun 9, 2026
Updated: Jun 27, 2026
Reserved: Apr 16, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	7.6 High	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N	vmware

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation (Cross-site Scripting)

Affected Products

Product	Versions
Spring SecuritySpring	5.7.0 to before 5.7.24Affected 5.8.0 to before 5.8.26Affected 6.3.0 to before 6.3.17Affected 6.4.0 to before 6.4.17Affected 6.5.0 to before 6.5.10.2Affected 7.0.0 to before 7.0.5.1Affected

References

https://spring.io/security/cve-2026-41003

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