fix(token): add reserved claim blocklist for custom scripts [C3]#545
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lakhansamani merged 1 commit intomainfrom Apr 4, 2026
Merged
fix(token): add reserved claim blocklist for custom scripts [C3]#545lakhansamani merged 1 commit intomainfrom
lakhansamani merged 1 commit intomainfrom
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Custom access token scripts could override security-critical JWT claims like sub, exp, iss, aud, roles, and token_type. This adds a blocklist of reserved claims that are silently skipped when applying custom script output to both access tokens and ID tokens. Fixes: C3 (Critical)
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Test plan