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fix!: enforce fail-closed default for task authorization - #1095
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Move authorization from the CDI-only AuthorizationRequestHandlerDecorator directly into DefaultRequestHandler so it is enforced on both the CDI and builder paths. When no TaskAuthorizationProvider is configured, all task operations are now denied by default (fail-closed). Set a2a.authorization.required=false to restore the previous open behavior for single-user deployments or testing. BREAKING CHANGE: Applications without a TaskAuthorizationProvider will now reject all task operations. Either provide a provider or set a2a.authorization.required=false. Ref: GHSA-qw47-mcm5-934w Co-Authored-By: Claude Opus 4.6 (1M context) <[email protected]>
ehsavoie
self-requested a review
August 26, 2026 11:29
ehsavoie
approved these changes
Aug 26, 2026
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Move authorization from the CDI-only AuthorizationRequestHandlerDecorator directly into DefaultRequestHandler so it is enforced on both the CDI and builder paths. When no TaskAuthorizationProvider is configured, all task operations are now denied by default (fail-closed). Set a2a.authorization.required=false to restore the previous open behavior for single-user deployments or testing.
BREAKING CHANGE: Applications without a TaskAuthorizationProvider will now reject all task operations. Either provide a provider or set a2a.authorization.required=false.
Ref: GHSA-qw47-mcm5-934w