Data Binding Vulnerability in Spring Web Flow with Unified EL Parser
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- Required
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-917.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| VMware | Spring Web Flow | 4.0.0 to before 4.0.0.1; 3.0.0 to before 3.0.1.1; 2.5.0 to before 2.5.2 | 4.0.0.1, 3.0.1.1, 2.5.2 | Patch available | CNA |
| — | org.springframework.webflow:spring-webflow (Maven) | 4.0.0 to before 4.0.1 | 4.0.1 | Patch available | GHSA-9ggw-87m9-9gfc |
| — | org.springframework.webflow:spring-webflow (Maven) | 3.0.0 to before 3.0.2 | 3.0.2 | Patch available | GHSA-9ggw-87m9-9gfc |
| — | org.springframework.webflow:spring-webflow (Maven) | up to 2.5.1 | — | No fix listed | GHSA-9ggw-87m9-9gfc |
- Spring Web Flow VendorVMware Affected 4.0.0 to before 4.0.0.1; 3.0.0 to before 3.0.1.1; 2.5.0 to before 2.5.2 Fixed in 4.0.0.1, 3.0.1.1, 2.5.2 Patch available CNA
- org.springframework.webflow:spring-webflow (Maven) Vendor— Affected 4.0.0 to before 4.0.1 Fixed in 4.0.1 Patch available GHSA-9ggw-87m9-9gfc
- org.springframework.webflow:spring-webflow (Maven) Vendor— Affected 3.0.0 to before 3.0.2 Fixed in 3.0.2 Patch available GHSA-9ggw-87m9-9gfc
- org.springframework.webflow:spring-webflow (Maven) Vendor— Affected up to 2.5.1 Fixed in — No fix listed GHSA-9ggw-87m9-9gfc
Remediation
- Fix · CNA Spring Web Flow (Spring) Fixed in 4.0.0.1, 3.0.1.1, 2.5.2
- Fix · GHSA-9ggw-87m9-9gfc org.springframework.webflow:spring-webflow (Maven) Fixed in 4.0.1 Advisory →
- Fix · GHSA-9ggw-87m9-9gfc org.springframework.webflow:spring-webflow (Maven) Fixed in 3.0.2 Advisory →
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Spring Web Flow 2.5.2, 3.0.1.1, 4.0.0.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-29637 Spring Web Flow JS RemotingHandler renders non-HTML Response as HTMLPriority LOW 21
Timeline
- 2026-10-02 Threatist record created from CVE-2026-40985
- 2026-10-03 Alias added: GHSA-9ggw-87m9-9gfc
References
More VMware vulnerabilities
- TI-2026-42442 vCenter directory-traversal vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26040 Privilege escalation in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-26039 Heap-overflow in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2024-24610 Out-of-bounds write in VMware vCenter Server KEVCVSS 3.1CRITICAL 9.8
- TI-2023-16914 VMware vCenter Server Out-of-Bounds Write Vulnerability KEVCVSS 3.1CRITICAL 9.8
- TI-2023-07303 Command injection in Aria Operations for Networks KEVCVSS 3.1CRITICAL 9.8
Sources
- CVE-2026-40985 · CVE Program
- CVE-2026-40985 · NVD
- FIRST EPSS
- GHSA-9ggw-87m9-9gfc · GitHub Advisory Database · CC BY 4.0
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