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CVE-2026-32735

Unpacking Arbitrary Mustache Template Files via `maven-dependency-plugin`

2.3 Low

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting in version 5.1.1 and prior to version 5.5.1, the parent POM file of this project (openapi-to-java-records-mustache-templates-parent), which is used to centralize plugin configurations for multiple unit-test modules, uses maven-dependency-plugin to unpack arbitrary .mustache files from the openapi-to-java-records-mustache-templates artifact (of the same version). While this parent POM file is not intended for external use, it is published, and could be used by anyone, and does not follow the best security practices. The risk, is that if openapi-to-java-records-mustache-templates would be compromised, and malicious .mustache files were to be included in the resulting JAR/artifact, users would unpack these files automatically during a dependency update. This is addressed in the v3.5.1 release of openapi-to-java-records-mustache-templates-parent. It is strongly recommended NOT to use the parent POM for external use. The openapi-to-java-records-mustache-templates module is the center of this project, and surrounding modules and configurations are not intended for production-use. These only exist for testing purposes and maintainability.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Passive

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
None

Exploit likelihood

0.34%Up 0.3 points since Mar 19, 2026
90%50%10%1%

What each source reports

CVE List Score used 2.3

Unpacking Arbitrary Mustache Template Files via `maven-dependency-plugin`

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting in version 5.1.1 and prior to version 5.5.1, the parent POM file of this project (openapi-to-java-records-mustache-templates-parent), which is used to centralize plugin configurations for multiple unit-test modules, uses maven-dependency-plugin to unpack arbitrary .mustache files from the openapi-to-java-records-mustache-templates artifact (of the same version). While this parent POM file is not intended for external use, it is published, and could be used by anyone, and does not follow the best security practices. The risk, is that if openapi-to-java-records-mustache-templates would be compromised, and malicious .mustache files were to be included in the resulting JAR/artifact, users would unpack these files automatically during a dependency update. This is addressed in the v3.5.1 release of openapi-to-java-records-mustache-templates-parent. It is strongly recommended NOT to use the parent POM for external use. The openapi-to-java-records-mustache-templates module is the center of this project, and surrounding modules and configurations are not intended for production-use. These only exist for testing purposes and maintainability.

Record
CVE-2026-32735
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Weakness
CWE-20
Updated
2026-11-02
EUVDEUVD-2026-12979 2.3

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting in version 5.1.1 and prior to version 5.5.1, the parent POM file of this project (openapi-to-java-records-mustache-templates-parent), which is used to centralize plugin configurations for multiple unit-test modules, uses maven-dependency-plugin to unpack arbitrary .mustache files from the openapi-to-java-records-mustache-templates artifact (of the same version). While this parent POM file is not intended for external use, it is published, and could be used by anyone, and does not follow the best security practices. The risk, is that if openapi-to-java-records-mustache-templates would be compromised, and malicious .mustache files were to be included in the resulting JAR/artifact, users would unpack these files automatically during a dependency update. This is addressed in the v3.5.1 release of openapi-to-java-records-mustache-templates-parent. It is strongly recommended NOT to use the parent POM for external use. The openapi-to-java-records-mustache-templates module is the center of this project, and surrounding modules and configurations are not intended for production-use. These only exist for testing purposes and maintainability.

Record
EUVD-2026-12979
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Updated
2026-11-02
NVD 2.3

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting in version 5.1.1 and prior to version 5.5.1, the parent POM file of this project (openapi-to-java-records-mustache-templates-parent), which is used to centralize plugin configurations for multiple unit-test modules, uses maven-dependency-plugin to unpack arbitrary .mustache files from the openapi-to-java-records-mustache-templates artifact (of the same version). While this parent POM file is not intended for external use, it is published, and could be used by anyone, and does not follow the best security practices. The risk, is that if openapi-to-java-records-mustache-templates would be compromised, and malicious .mustache files were to be included in the resulting JAR/artifact, users would unpack these files automatically during a dependency update. This is addressed in the v3.5.1 release of openapi-to-java-records-mustache-templates-parent. It is strongly recommended NOT to use the parent POM for external use. The openapi-to-java-records-mustache-templates module is the center of this project, and surrounding modules and configurations are not intended for production-use. These only exist for testing purposes and maintainability.

Record
CVE-2026-32735
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Weakness
CWE-20
Updated
2026-11-02
OSV 2.3

Unpacking Arbitrary Mustache Template Files via `maven-dependency-plugin`

openapi-to-java-records-mustache-templates allows users to generate Java Records from OpenAPI specifications. Starting in version 5.1.1 and prior to version 5.5.1, the parent POM file of this project (openapi-to-java-records-mustache-templates-parent), which is used to centralize plugin configurations for multiple unit-test modules, uses maven-dependency-plugin to unpack arbitrary .mustache files from the openapi-to-java-records-mustache-templates artifact (of the same version). While this parent POM file is not intended for external use, it is published, and could be used by anyone, and does not follow the best security practices. The risk, is that if openapi-to-java-records-mustache-templates would be compromised, and malicious .mustache files were to be included in the resulting JAR/artifact, users would unpack these files automatically during a dependency update. This is addressed in the v3.5.1 release of openapi-to-java-records-mustache-templates-parent. It is strongly recommended NOT to use the parent POM for external use. The openapi-to-java-records-mustache-templates module is the center of this project, and surrounding modules and configurations are not intended for production-use. These only exist for testing purposes and maintainability.

Record
CVE-2026-32735
CVSS 4.0
2.3 LowCVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N
Weakness
CWE-20
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
first indexedCVE List, EUVD, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2026-32735 is a low vulnerability (CVSS 2.3) in Chrimle Io.github.chrimle:openapi-to-java-records-mustache-templates-parent, published March 18, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.34%, the 27th percentile. No source names a fixed version.

References

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