CVE-2026-41003

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.

CVSS v3.1 Score

7.6

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

EPSS — Exploit Prediction

0.0020

Probability of exploitation

0.10%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
vmware	spring_security	5.7.0 — 5.7.24
vmware	spring_security	5.8.0 — 5.8.26
vmware	spring_security	6.3.0 — 6.3.17
vmware	spring_security	6.4.0 — 6.4.17
vmware	spring_security	6.5.0 — 6.5.11
vmware	spring_security	7.0.0 — 7.0.6

References

Advisories & Patches

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

Frequently Asked Questions

What is CVE-2026-41003? +

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. It has a CVSS v3.1 base score of 7.6 (HIGH).

How severe is CVE-2026-41003? +

CVE-2026-41003 has a CVSS v3.1 score of 7.6 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching. The EPSS score is 0.0020, placing it in the 0th percentile for exploitation probability.

What products are affected by CVE-2026-41003? +

CVE-2026-41003 affects products from vmware, specifically: spring_security. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2026-41003? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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