CPBR-3924, CPBR-3775, CPBR-3776 | Remove Sigstore Transitives from cp-base-new Image#2129
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Mihir Chandna (mihirchandna)
marked this pull request as ready for review
July 21, 2026 04:44
Nitin Singh (nitsingh-ui)
approved these changes
Jul 21, 2026
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Change Description
Appsec scanners flagged
cryptography 46.0.7andurllib3 2.6.3incp-base-newimage. Neither package is a declared dependency of this repo or of confluent-docker-utils.Root cause: We install
sigstoreunder Python 3.9 to verify the Python 3.14 source tarball, then runpip uninstall -y sigstoreandyum remove -y python39 python39-pipbut this does not cascade-remove transitives, andyum removeonly removes yum-tracked files - pip-installed content under/usr/local/lib{,64}/python3.9/site-packages/(cryptography, urllib3, pyOpenSSL, pydantic, requests, etc.) persists in the final image as orphans.Runtime uses Python 3.14, whose
sys.pathnever touches these directories, so the files are unused. This PR removes this unnecessary dependencies.Changes Made
base/Dockerfile.ubi8: Added remove py3.9 packages command after the sigstore uninstall stepTesting Done
Succesful Image Build: https://semaphore.ci.confluent.io/workflows/ebd6a5d7-18de-4b25-86b6-1a7f7e56c65f?pipeline_id=0ed328b5-1005-434a-943f-2f6fc75f995f