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CVE-2019-25101 — Header injection in turbogears — CVE Details

CRITICAL

Header injection in TurboGears

Published June 29, 2026Updated July 1, 2026Source: osv

Summary

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 name of the patch is f68bbaba47f4474e1da553aa51564a73e1d92a84. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-220059.

Advisory Timeline

  • First published June 29, 2026 (105 days ago).
  • Last revised July 1, 2026 — 2 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

pip
Update turbogears to 1.0.11.11 or later
pip install "turbogears>=1.0.11.11"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: pypi (1).

PackageEcosystemAffectedFixed In
turbogears
pypi
0.5.0, 0.8.8, 0.8.9, 1.0.1 (+17 more)1.0.11.11

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.8 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2019-25101?
Header injection in TurboGears This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.8/10).
How do I check if my project is affected by CVE-2019-25101?
CVE-2019-25101 affects turbogears. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-25101 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.8

Exploitation is straightforward and causes maximum impact. Patch immediately.

Also Known As

PYSEC-2026-556
GHSA-8q38-w56m-qq2c

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