SB2025102163 - Resource exhaustion in kin-openapi
Published: October 21, 2025
Security Bulletin ID
SB2025102163
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2025-30153)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources. A remote attacker can upload a crafted ZIP file (e.g., a ZIP bomb), causing the server to consume all available system memory, when application validating a request with a multipart/form-data schema, if the OpenAPI schema allows it.
Remediation
Install update from vendor's website.
References
- https://github.com/getkin/kin-openapi/blob/6da871e0e170b7637eb568c265c08bc2b5d6e7a3/openapi3filter/req_resp_decoder.go#L1275
- https://github.com/getkin/kin-openapi/blob/6da871e0e170b7637eb568c265c08bc2b5d6e7a3/openapi3filter/req_resp_decoder.go#L1523
- https://github.com/getkin/kin-openapi/commit/67f0b233ffc01332f7d993f79490fbea5f4455f1
- https://github.com/getkin/kin-openapi/security/advisories/GHSA-wq9g-9vfc-cfq9
- https://github.com/getkin/kin-openapi?tab=readme-ov-file#custom-content-type-for-body-of-http-requestresponse