CVE-2026-40985
Low
No strong exploitation signal.
CVSS base
6.4
MEDIUM
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
EPSS — probability of exploitation (30 days)
0.2%
14.2th percentile
CISA KEV
Not listed
Weakness / dates
CWE-917
Published 2026-06-11 · modified 2026-09-04
CVSS breakdown
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N
| Attack Vector | N | Network |
| Attack Complexity | H | High |
| Privileges Required | L | Low |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | H | High |
| Integrity | H | High |
| Availability | N | None |
Timeline
- 2026-06-11 — Published (NVD)
- 2026-09-04 — Last modified (NVD)
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.