CVE-2026-3415 (GCVE-0-2026-3415)
Vulnerability from cvelistv5
Published
2026-08-06 17:32
Modified
2026-08-07 17:47
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-776 - Improper Handling of Special Elements in XML Document Type Declaration (DTD)
Summary
The XML and schema validation functionalities within the SchemaValidator Mediator process XML input as part of validation flows. Under certain conditions, the XML parser allows the resolution of external entities when handling user-supplied XML content during validation operations. This behavior can occur when an attacker supplies crafted XML payloads to the relevant mediator flows with sufficient privileges.
Successful exploitation may allow a highly privileged actor to read files accessible within the server hosting the affected product. Additionally, it may be possible to trigger outbound requests to unintended internal or external locations, depending on the server environment and network configuration. Specially crafted XML payloads can also lead to excessive resource consumption during parsing, impacting the availability of the product.
References
Impacted products
| Vendor | Product | Version | |||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| WSO2 | WSO2 API Manager |
Version: 3.2.0 < 3.2.0.472 Version: 3.2.1 < 3.2.1.91 Version: 4.1.0 < 4.1.0.254 Version: 4.2.0 < 4.2.0.194 Version: 4.3.0 < 4.3.0.105 Version: 4.4.0 < 4.4.0.68 Version: 4.5.0 < 4.5.0.53 Version: 4.6.0 < 4.6.0.16 |
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"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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