CVE-2007-1406: Trac Content-Disposition Header Missing Attachment

trac Updated 02 Oct 2025

Summary

10/03/2007

Disclosed on

CVE-2007-1406

CVE

Yes i

Fix available

Moderate

Severity

5.3

CVSS Score

CVE-2007-1406: Trac before 0.10.3.1 does not send a Content-Disposition HTTP header specifying an attachment in certain "unsafe" situations, which has unknown impact and remote attack vectors. Affects trac versions < 0.10.3.1. Fixed in 0.10.3.1. How to fix ↓

Also tracked for

trac · Debian:13

The same CVE-2007-1406 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

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Background

Trac is an open-source project management and issue tracking system written in Python. It provides a web-based interface for managing software development projects. Trac allows users to create and track tickets, manage source code repositories, and collaborate on project documentation. Trac versions before 0.10.3.1 are affected by a vulnerability that results in the omission of the Content-Disposition HTTP header when certain "unsafe" situations occur. The impact and remote attack vectors of this vulnerability are currently unknown.

Vulnerability Detail

The vulnerability in Trac versions before 0.10.3.1 is related to the absence of a Content-Disposition HTTP header specifying an attachment in specific "unsafe" scenarios. This missing header can have unknown consequences and may be exploitable through remote attack vectors. Further details regarding the specific scenarios and potential ramifications are not provided in the available information.

How To Fix

Latest published version: 1.6.0 as of 22 Oct 2026

pip install --upgrade "trac==1.6.0"

Upgrading to it may include breaking changes; the version below is the minimum fixed release for this vulnerability.

If you need the minimum change

0.10.3.1

This is the first release that contains the fix.

pip install --upgrade "trac==0.10.3.1"

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Conclusion

Trac versions before 0.10.3.1 are affected by a vulnerability that results in the omission of the Content-Disposition HTTP header in certain "unsafe" situations. The impact and remote attack vectors of this vulnerability are currently unknown. To mitigate the vulnerability, it is recommended to upgrade Trac to version 0.10.3.1 or later. For further support on vulnerability remediation, you can contact DevNack.com.

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