Data Binding Vulnerability in Spring Web Flow with Unified EL Parser
Published Jun 11, 2026
6.4
MEDIUMCVSS 3.1
EPSS 0.29%
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 products
-
- Version 2.5.0StatusaffectedConstraints<2.5.2
- Version 3.0.0StatusaffectedConstraints<3.0.1.1
- Version 4.0.0StatusaffectedConstraints<4.0.0.1
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Spring | Spring Web Flow | unaffected |
|
- < 2.5.2
- ≥ 3.0.0 · < 3.0.1.1
- 4.0.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jun 11, 2026 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
Score over time
Jun–Oct 2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 0.29% (0.00288) | 19.43th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.17% (0.00169) | 6.50th | v5 (v2026.06.15) |
| Jun 11, 2026 | 0.03% (0.00032) | 9.91th | v4 (v2025.03.14) |
References (3)
- https://github.com/advisories/GHSA-9ggw-87m9-9gfc Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-40985
- https://spring.io/security/cve-2026-40985 Vendor Advisory
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-9ggw-87m9-9gfc | Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2026-40985 | ||
| https://spring.io/security/cve-2026-40985 | Vendor Advisory |
Change history (0)
No recorded changes yet.