datamodel-code-generator: Protobuf weak-import path traversal allows files to be written outside the temporary directory

Summary When processing an attacker-controlled Protobuf schema, vulnerable versions of datamodel-code-generator could write a generated weak-import stub outside the intended weakimports temporary directory. Absolute import paths and relative paths containing .. could escape this directory. An...

External Control of File Name or Path

Overview datamodel-code-generator is a Datamodel Code Generator Affected versions of this package are vulnerable to External Control of File Name or Path via the writemissingweakimports method in src/datamodelcodegenerator/parser/protobuf.py when processing a Protocol Buffers schema file containi...

GHSA-77XJ-X4RM-935C datamodel-code-generator: Protobuf weak-import path traversal allows files to be written outside the temporary directory

Summary When processing an attacker-controlled Protobuf schema, vulnerable versions of datamodel-code-generator could write a generated weak-import stub outside the intended weakimports temporary directory. Absolute import paths and relative paths containing .. could escape this directory. An...

PT-2026-108124

Name of the Vulnerable Software and Affected Versions datamodel-code-generator versions 0.59.0 through 0.80.0 Description An issue exists where an attacker-controlled Protobuf schema can provide absolute or parent-directory paths. These paths are captured by WEAK IMPORT PATTERN and processed by t...