Data Binding Vulnerability in Spring Web Flow with Unified EL Parser

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Summary

CVECVE-2026-40985
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-11 05:16:33 UTC
Updated2026-06-11 15:21:30 UTC
DescriptionApplications that configure the WebFlowELExpressionParser are vulnerable to the use of malicious Unified EL expressions. Affected versions: Spring Web Flow 4.0.0; 3.0.0 through 3.0.1; 2.5.0 through 2.5.1.

Risk And Classification

Primary CVSS: v3.1 6.4 MEDIUM from [email protected]

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

Problem Types: CWE-917 | CWE-917 CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary6.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
3.1CNACVSS6.4MEDIUMCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
None

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

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Spring Spring Web Flow affected 4.0.0 4.0.1 custom Not specified
CNA Spring Spring Web Flow affected 3.0.0 3.0.2 custom Not specified
CNA Spring Spring Web Flow affected 2.5.0 2.5.2 custom Not specified

References

ReferenceSourceLinkTags
spring.io/security/cve-2026-40985 [email protected] spring.io
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
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