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CVE-2026-89065
Published:September 11, 2026
Updated:September 22, 2026
Relative path traversal in the generated file manifest cleanup component in projen before 0.101.37 might allow context-dependent attackers to recursively delete files and directories outside the project directory that are writable by the environment running projen, via crafted entries in the version-controlled generated file manifest that is consumed during project synthesis. To remediate this issue, users should upgrade to version 0.101.37. The corrected containment check is automatically applied by the projen runtime next time you run it.
Affected Packages
https://github.com/projen/projen.git (GITHUB):
Affected version(s) >=v0.0.0 <v0.101.37
Fix Suggestion:
Update to version v0.101.37
github.com/projen/projen-go/projen (GO):
Affected version(s) >=v0.0.0 <v0.101.37
Fix Suggestion:
Update to version v0.101.37
io.github.cdklabs:projen (JAVA):
Affected version(s) >=0.0.0 <0.101.37
Fix Suggestion:
Update to version 0.101.37
projen (NPM):
Affected version(s) >=0.1.0 <0.101.37
Fix Suggestion:
Update to version 0.101.37
projen (PYTHON):
Affected version(s) >=0.14.0 <0.101.37
Fix Suggestion:
Update to version 0.101.37
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CVSS v4
Base Score:
6.8
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
ACTIVE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.1
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Relative Path Traversal
EPSS
Base Score:
0.15