CPBR-3924, CPBR-3775, CPBR-3776 | Remove Sigstore Transitives from cp-base-new Image#2128
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Mihir Chandna (mihirchandna)
marked this pull request as ready for review
July 21, 2026 04:44
Nitin Singh (nitsingh-ui)
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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. To be pint merged upto 7.9.xChanges 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/8adf793f-eeb2-4ed2-bd84-568d739d91e7?pipeline_id=fcebe9a9-b7d9-4adc-b4a7-7f613de489c0
Ref: https://confluentinc.atlassian.net/browse/CPBR-3924, https://confluentinc.atlassian.net/browse/CPBR-3775, https://confluentinc.atlassian.net/browse/CPBR-3776