CVE-2026-40986
Spring Web Flow JS RemotingHandler renders non-HTML Response as HTML
CVSS Score
4.8
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-79 |
| Vendor | spring |
| Product | spring web flow |
| Ecosystems | |
| Industries | TechnologyEnterprise |
| Published | Jun 11, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:H/A:N Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
High
Availability
None
Affected Versions
Spring / Spring Web Flow
4.0.0 < 4.0.1 3.0.0 < 3.0.2 2.5.0 < 2.5.2