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Fix Composer 2.9 plugin installation failure#21
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Composer 2.9 introduced a new default behavior that blocks installation when dependencies have security advisories. This causes terminus plugin installation to fail even when the advisories are not directly relevant. Add config.audit.block-insecure=false to allow plugin installation to proceed, matching the fix applied to terminus core.
AnaisPantheor
approved these changes
Feb 9, 2026
kaylimepy
approved these changes
Feb 9, 2026
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Summary
config.audit.block-insecure=falseto composer.json to prevent Composer 2.9 from blocking plugin installation due to transitive dependency security advisoriesProblem
Composer 2.9 introduced a new default behavior that blocks installation when any dependency has a security advisory. This causes
terminus self:plugin:installto fail with errors like:Solution
This matches the fix already applied to terminus core. The setting allows installation to proceed while still reporting advisories via
composer audit.Test plan
python3 -m json.tool composer.json