claude-code - 💡(How to fix) Fix Memory-based security rules not consistently checked before sensitive operations [1 participants]

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anthropics/claude-code#50762Fetched 2026-04-20 12:13:44
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Error Message

  1. Apply those rules regardless of context ("it's temporary" is not an exception)

Root Cause

On 2026-04-19, Claude Code had a documented rule in memory: "Never echo passwords to terminal." When passing temporary IPMI credentials via command-line arguments, Claude Code failed to check this rule before executing. The rule existed but was not applied because Claude Code did not proactively consult memory at the decision point.

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Claude Code has a memory system for storing user-defined rules (e.g., security policies, workflows, preferences). However, these rules are not consistently consulted during decision-making, especially for security-sensitive operations like credential handling.

Problem

On 2026-04-19, Claude Code had a documented rule in memory: "Never echo passwords to terminal." When passing temporary IPMI credentials via command-line arguments, Claude Code failed to check this rule before executing. The rule existed but was not applied because Claude Code did not proactively consult memory at the decision point.

Impact

  • Memory rules become cosmetic (stored but not enforced)
  • Security practices are inconsistent
  • User false confidence: "I documented the rule, so it will be followed"
  • Temporary/test credentials get same weak handling as production credentials

Expected Behavior

Before handling credentials, tokens, secrets, or other sensitive data, Claude Code should:

  1. Proactively check project/personal memory for relevant rules
  2. Apply those rules regardless of context ("it's temporary" is not an exception)
  3. Suggest secure alternatives if about to violate a rule

Current Behavior

Rules sit in memory but are only discovered after the violation, not consulted before the decision.

extent analysis

TL;DR

To fix the issue, Claude Code needs to proactively consult its memory for relevant rules before handling sensitive data, such as credentials.

Guidance

  • Review the decision-making process in Claude Code to identify where rules are currently being checked and modify it to check rules before handling sensitive data.
  • Ensure that the rule-checking mechanism is context-agnostic, so that temporary or test credentials are handled with the same security rigor as production credentials.
  • Consider implementing a suggestion system that provides secure alternatives when a rule violation is about to occur.
  • Verify that the rule-checking mechanism is working correctly by testing it with various scenarios, including temporary and production credentials.

Example

No code snippet is provided as the issue does not contain specific code references.

Notes

The solution may require significant changes to the decision-making process in Claude Code, and careful testing will be necessary to ensure that the new rule-checking mechanism works correctly in all scenarios.

Recommendation

Apply a workaround to proactively check rules before handling sensitive data, as this will help to ensure consistent security practices and prevent user false confidence.

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claude-code - 💡(How to fix) Fix Memory-based security rules not consistently checked before sensitive operations [1 participants]