v1.11.5

langflow-ai/langflowv1.11.5Aug 25, 2026by github-actions[bot]

AI Summary

A security-focused release that backports fixes from version 1.12, including PVR security updates, security hardening for MCP components, and a fix to ensure persisted flows are retained when the header list refreshes.

Key Highlights

Backported 1.12 PVR security fixes to 1.11.5
Fixed frontend to keep the persisted flow when the header list refreshes
Backported public MCP execution hardening and generated-code boundary hardening

New Features

Opt-in bypass for the multi-worker in-memory queue guard

Full Release Notes

<!-- Release notes generated using configuration in .github/release.yml at v1.11.5 -->

## What's Changed
### ✨ New Features
* feat(server): add an opt-in bypass for the multi-worker in-memory queue guard by @erichare in https://github.com/langflow-ai/langflow/pull/14658
### 🐛 Bug Fixes
* fix(ci): keep skipped package releases green and stop sending target_commitish (release-1.11.4) by @erichare in https://github.com/langflow-ai/langflow/pull/14648
* fix(security): backport the 1.12 PVR security fixes to 1.11.5 by @erichare in https://github.com/langflow-ai/langflow/pull/14654
* fix(frontend): keep the persisted flow when the header list refreshes by @erichare in https://github.com/langflow-ai/langflow/pull/14659
* fix(security): close model-provider SSRF follow-up gaps by @erichare in https://github.com/langflow-ai/langflow/pull/14705
* fix(security): backport public MCP execution hardening by @erichare in https://github.com/langflow-ai/langflow/pull/14711
* fix(security): backport generated-code boundary hardening by @erichare in https://github.com/langflow-ai/langflow/pull/14709
* fix(security): backport MCP stdio component policy by @erichare in https://github.com/langflow-ai/langflow/pull/14710
* fix(memory-base): handle tagged Ollama embedding models by @erichare in https://github.com/langflow-ai/langflow/pull/14740
### 📝 Documentation Updates
* docs(security): record Mend triage for four unremediable findings by @erichare in https://github.com/langflow-ai/langflow/pull/14617
### 🛠 Maintenance Tasks
* chore: 1.11.5 dep upgrade by @Adam-Aghili in https://github.com/langflow-ai/langflow/pull/14751
### ✅ Tests
* test(frontend): forward-port the grouped-node readiness stabilization to 1.11.5 by @erichare in https://github.com/langflow-ai/langflow/pull/14662


**Full Changelog**: https://github.com/langflow-ai/langflow/compare/v1.11.4...v1.11.5