acacode swagger-typescript-api up to 13.12.1 Schema Resolver resolved-swagger-schema.ts warmUpRemoteSchemasCache $ref input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.0$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in acacode swagger-typescript-api up to 13.12.1. This impacts the function warmUpRemoteSchemasCache of the file src/resolved-swagger-schema.ts of the component Schema Resolver. Executing a manipulation of the argument $ref can lead to input validation. The identification of this vulnerability is CVE-2026-54663. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as critical was found in acacode swagger-typescript-api up to 13.12.1. This vulnerability affects the function warmUpRemoteSchemasCache of the file src/resolved-swagger-schema.ts of the component Schema Resolver. The manipulation of the argument $ref with an unknown input leads to a input validation vulnerability. The CWE definition for the vulnerability is CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

swagger-typescript-api generates API clients for Fetch or Axios from OpenAPI specifications. Prior to 13.12.2, src/resolved-swagger-schema.ts warmUpRemoteSchemasCache resolves external $ref URLs and fetchRemoteSchemaDocument uses isHttpUrl to fetch any http or https target without private IP, redirect, DNS rebinding, or same-origin validation, allowing an attacker-controlled OpenAPI spec to make the generator issue requests to internal or link-local services. This issue is fixed in version 13.12.2.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-54663 since 06/15/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are known technical details, but no exploit is available.

Upgrading to version 13.12.2 eliminates this vulnerability.

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Productinfo

Type

Vendor

Name

Version

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.0

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: swagger-typescript-api 13.12.2

Timelineinfo

06/15/2026 CVE reserved
07/29/2026 +44 days Advisory disclosed
07/29/2026 +0 days VulDB entry created
07/29/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed

CVE: CVE-2026-54663 (🔒)
GCVE (CVE): GCVE-0-2026-54663
GCVE (VulDB): GCVE-100-384184

Entryinfo

Created: 07/29/2026 17:09
Changes: 07/29/2026 17:09 (59)
Complete: 🔍
Cache ID: 216::103

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