CVE-2026-40985

CVE-2026-40985

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.

Vulnerability class: Log4Shell (CVE-2021-44228)

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N.

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-40985?
CVE-2026-40985 is a medium-severity vulnerability, classified under Improper Neutralization of Special Elements used in an Expression Language Statement (Expression Language Injection). CVSS score: 6.4/10. Published 2026-06-11.
How severe is CVE-2026-40985?
Medium severity. CVSS v3 base score is 6.4 out of 10.