Hotfix: Key Vault challenge cache validation (secrets 4.11.2) - #48741
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ROHIT SINGHAL (rohitsinghal4u) merged 1 commit intoAug 25, 2026
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Backports the challenge-cache-after-validation security fix (MSRC / ICM 31000000679759) to released azure-keyvault-secrets 4.11.1. Caches the challenge only after the challenge resource is verified in both the sync and async policies. Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>
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ROHIT SINGHAL (rohitsinghal4u)
merged commit Aug 25, 2026
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hotfix/keyvault-secrets
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Summary
Security hotfix backporting the Key Vault challenge-cache-after-validation fix (MSRC / ICM 31000000679759) to
azure-keyvault-secrets4.11.1 -> 4.11.2, per the hotfix policy. Targets thehotfix/keyvault-secretsbranch (created from theazure-keyvault-secrets_4.11.1tag).The challenge is now cached only after the challenge resource is verified, in both the sync and async policies (the async policy previously relied on the shared helper to cache), so a rejected challenge is not cached and reused by later requests.
Changes
_update_challengehelper.on_challenge.Tests
pytest test_challenge_auth.py test_challenge_auth_async.py-> 4 passed. Cache-after-verify and async-cache placement verified. The identical fix is inmainvia #48710.