CVE-2026-4249
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2026
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
Denial of Service via Malicious JSON Payloads in Throttling Events in Multiple WSO2 Products Causing Persistent Service Disruption
The throttling event handling mechanism in multiple WSO2 products accepts user-supplied JSON payloads without sufficient validation of their structure and content. This allows an unauthenticated remote attacker to inject malicious JSON data that can lead to a persistent denial of service condition. Successful exploitation of this vulnerability can disrupt the API Gateway, preventing legitimate API traffic from being processed and impacting complete service availability. The denial of service is persistent, requiring manual intervention to restore normal operations.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
WSO2 Universal Gateway
- Vendor
- WSO2
- Product
- WSO2 Universal Gateway
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.5.0 | affected | custom | 4.5.0.54 | Unavailable | None listed |
| 4.6.0 | affected | custom | 4.6.0.18 | Unavailable | None listed |
| 4.7.0 | affected | custom | 4.7.0.2 | Unavailable | None listed |
WSO2 Traffic Manager
- Vendor
- WSO2
- Product
- WSO2 Traffic Manager
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.5.0 | affected | custom | 4.5.0.53 | Unavailable | None listed |
| 4.6.0 | affected | custom | 4.6.0.18 | Unavailable | None listed |
| 4.7.0 | affected | custom | 4.7.0.2 | Unavailable | None listed |
WSO2 API Control Plane
- Vendor
- WSO2
- Product
- WSO2 API Control Plane
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 4.5.0 | affected | custom | 4.5.0.55 | Unavailable | None listed |
| 4.6.0 | affected | custom | 4.6.0.19 | Unavailable | None listed |
| 4.7.0 | affected | custom | 4.7.0.2 | Unavailable | None listed |
WSO2 API Manager
- Vendor
- WSO2
- Product
- WSO2 API Manager
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 0 | unknown | custom | 3.2.0 | Unavailable | None listed |
| 3.2.0 | affected | custom | 3.2.0.470 | Unavailable | None listed |
| 3.2.1 | affected | custom | 3.2.1.89 | Unavailable | None listed |
| 4.0.0 | affected | custom | 4.0.0.390 | Unavailable | None listed |
| 4.1.0 | affected | custom | 4.1.0.254 | Unavailable | None listed |
| 4.2.0 | affected | custom | 4.2.0.194 | Unavailable | None listed |
| 4.3.0 | affected | custom | 4.3.0.105 | Unavailable | None listed |
| 4.4.0 | affected | custom | 4.4.0.69 | Unavailable | None listed |
| 4.5.0 | affected | custom | 4.5.0.54 | Unavailable | None listed |
| 4.6.0 | affected | custom | 4.6.0.18 | Unavailable | None listed |
| 4.7.0 | affected | custom | 4.7.0.2 | Unavailable | None listed |