CVE-2025-41243: Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux
- Is it exploited?
Reported, not confirmed by CISA. VulnCheck KEV lists it as exploited in the wild. CISA has not added it to its Known Exploited Vulnerabilities catalog as of .
VulnCheck KEV lists it since . It cites 1 public report, the first from .
- How likely is exploitation in the next 30 days?
- 3.7%
Up from 3.5% on .
EPSS score, percentile 89.7 of all scored records. A probability estimated by FIRST, not a report of exploitation.
- How severe?
- 10.0 Critical
CVSS v3.1 base score, given by the CNA
- What should I do?
CISA has set no required action, because the vulnerability is not in KEV.
The CVE record links no vendor advisory, patch or mitigation.
- Which versions are affected?
Affected
- from 4.3.x to before 4.3.1
- from 4.2.x to before 4.2.5
- from 4.1.x, 4.0.x to before 4.1.11
- from 3.1.x to before 3.1.11
Source: CISA KEV 2026.10.29, as of ; VulnCheck KEV, as of ; FIRST EPSS, as of ; CVE List, as of . About the data.
Description
Spring Expression Language property modification using Spring Cloud Gateway Server WebFlux
Spring Cloud Gateway Server Webflux may be vulnerable to Spring Environment property modification. An application should be considered vulnerable when all the following are true: * The application is using Spring Cloud Gateway Server Webflux (Spring Cloud Gateway Server WebMVC is not vulnerable). * Spring Boot actuator is a dependency. * The Spring Cloud Gateway Server Webflux actuator web endpoint is enabled via management.endpoints.web.exposure.include=gateway. * The actuator endpoints are available to attackers. * The actuator endpoints are unsecured.
Source: CVE List, as of . About the data.
What to do
Advisories and patches
The CVE record links no vendor advisory, patch or mitigation.
This summary is based on the CVE record as of . Check the vendor's advisory before you act: affected versions and fixes can change.
Affected products and versions
Versions by product, as listed in the CVE record (1 product)
| Status | Versions |
|---|---|
| Affected | from 4.3.x to before 4.3.1 |
| Affected | from 4.2.x to before 4.2.5 |
| Affected | from 4.1.x, 4.0.x to before 4.1.11 |
| Affected | from 3.1.x to before 3.1.11 |
Versions not listed are: unaffected.
Source: CVE List, as of . About the data.
Weakness
CWE-917, CWE-94
- CWE-917: Improper Neutralization of Special Elements used in an Expression Language Statement ('Expression Language Injection')
- CWE-94: Improper Control of Generation of Code ('Code Injection')
CWE and CAPEC are maintained by MITRE; the entries are those named in the CVE record.
Timeline
| Date | Event |
|---|---|
| CVE record published | |
| CVE record last updated |