# CBC-mode TLS 1.2 cipher suites deprecated on Supabase project HTTP APIs

> Four outdated TLS 1.2 cipher suites will be removed November 10, 2026, due to known security weaknesses. Fewer than 0.0001% of connections in the past month used these ciphers; clients on end-of-life operating systems may need updates.

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: 0.85

## 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

---

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