Vulnerability · Published Jun 11, 2026 · Assigned by vmware

CVE-2026-40985Data Binding Vulnerability in Spring Web Flow with Unified EL Parser

Medium 6.4

In plain English

A medium-severity expression language injection in Spring Web Flow from Spring. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 14% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.4Medium
Exploit odds (30 days)0.2%top 86.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Applications 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Mavenorg.springframework.webflow:spring-webflow4.0.1GHSA-9ggw-87m9-9gfc
Mavenorg.springframework.webflow:spring-webflow3.0.2GHSA-9ggw-87m9-9gfc
Mavenorg.springframework.webflow:spring-webflowno fix listedGHSA-9ggw-87m9-9gfc

Affected products (as reported)

VendorProductVersions
Spring Spring Web Flow 4.0.0 – before 4.0.0.13.0.0 – before 3.0.1.12.5.0 – before 2.5.2

Weakness: CWE-917 · Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

References