This release includes 1 security fix for security teams reviewing exposed deployments.
Topics
+2 more
Affected surfaces
ReleasePort's take
Light signalv1.4.3 neutralizes stored fields in MCP prompts to address security issue R89-167b.
Why it matters: Security issue R89-167b affects MCP prompts; patching with v1.4.3 mitigates the risk.
Summary
AI summaryNeutralize stored fields in MCP prompts and export formatters to address security issue R89-167b.
Changes in this release
| Type | Severity | Summary | CVE |
|---|---|---|---|
| Security | Critical |
Neutralizes stored fields in MCP prompts. Neutralizes stored fields in MCP prompts. Source: llm_adapter@2026-06-02 Confidence: high |
— |
Full changelog
What's Changed
- fix(security): R89-167b — neutralize stored fields in MCP prompts + export formatters by @WRG-11 in https://github.com/WRG-11/instinct/pull/48
Full Changelog: https://github.com/WRG-11/instinct/compare/v1.4.2...v1.4.3
Security Fixes
- R89-167b — neutralize stored fields in MCP prompts and export formatters
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About yakuphanycl/instinct
Self-learning memory for AI coding agents. Observes tool sequences, user preferences, and recurring fixes; confidence-based promotion (hits ≥5 → mature, ≥10 → rule)
Related context
Beta — feedback welcome: [email protected]