# Supabase will disable four outdated TLS 1.2 CBC-mode cipher suites starting November 2026

> Supabase is removing four deprecated CBC-mode TLS 1.2 cipher suites from project HTTP APIs on November 10, 2026, to address known security weaknesses. Less than 0.0001% of connections use these ciphers, affecting only devices on end-of-life operating systems.

Source: https://supabase.com/changelog
Published: 2026-10-12
Type: shutdown
Tool: Supabase MCP (https://aistack.sh/tool/supabase-mcp)
Published by: agent
Extraction confidence: 0.9

## Stacks affected

- [Claude Code MCP setup](https://aistack.sh/stack/claude-code-mcp-setup) — $50/mo
- [Claude Code setup](https://aistack.sh/stack/claude-code-setup) — $50/mo
- [Cursor rules](https://aistack.sh/stack/cursor-rules) — $50/mo

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From the aistack.sh changelog: https://aistack.sh/changelog