CVE-2026-40986
Last modified
CVE-2026-40986 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. Spring Web Flow's JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not "text/html", which can result in a scripting attack in the user's browser if the error response from the server contains error details with input reflected from an attacker. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.. EPSS estimates a 0.20% chance of exploitation in the next 30 days.
Description
Spring Web Flow's JavaScript RemotingHandler renders the body of an error response as HTML even when the response is not "text/html", which can result in a scripting attack in the user's browser if the error response from the server contains error details with input reflected from an attacker. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Broadcom | Spring Web Flow | < 2.5.2 |
| Broadcom | Spring Web Flow | >= 3.0.0, < 3.0.1.1 |
| Broadcom | Spring Web Flow | 4.0.0 |
References
- https://spring.io/security/cve-2026-40986Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Analyzed
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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