MISP up to 2.5.26 View Picture EventReport.php path traversal

Summaryinfo

A vulnerability described as problematic has been identified in MISP up to 2.5.26. This issue affects some unknown processing of the file app/Model/EventReport.php of the component View Picture Handler. The manipulation results in path traversal. This vulnerability is cataloged as CVE-2025-66386. The attack may be launched remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in MISP up to 2.5.26. It has been classified as problematic. Affected is an unknown code block of the file app/Model/EventReport.php of the component View Picture Handler. The manipulation with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-23. The product uses external input to construct a pathname that should be within a restricted directory, but it does not properly neutralize sequences such as ".." that can resolve to a location that is outside of that directory. This is going to have an impact on confidentiality. CVE summarizes:

app/Model/EventReport.php in MISP before 2.5.27 allows path traversal in view picture for a site-admin.

The advisory is shared for download at github.com. This vulnerability is traded as CVE-2025-66386 since 11/28/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are needed for exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1006.

By approaching the search of inurl:app/Model/EventReport.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.5.27 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 7f4a0386d38672eddc139f5735d71c3b749623ce is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-199867). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Name

• MISP

Version

• 2.5.0
• 2.5.1
• 2.5.2
• 2.5.3
• 2.5.4
• 2.5.5
• 2.5.6
• 2.5.7
• 2.5.8
• 2.5.9
• 2.5.10
• 2.5.11
• 2.5.12
• 2.5.13
• 2.5.14
• 2.5.15
• 2.5.16
• 2.5.17
• 2.5.18
• 2.5.19
• 2.5.20
• 2.5.21
• 2.5.22
• 2.5.23
• 2.5.24
• 2.5.25
• 2.5.26

License

• open-source

Website

• Product: https://github.com/MISP/MISP/

CPE 2.3info

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CPE 2.2info

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VulDB is the best source for vulnerability data and more expert information about this specific topic.

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