Mereithhh VanBlog up to 0.54.0 Custom Page local.provider.ts fs.readFileSync path path traversal

Summaryinfo

A vulnerability categorized as critical has been discovered in Mereithhh VanBlog up to 0.54.0. This issue affects the function fs.readFileSync of the file local.provider.ts of the component Custom Page Handler. The manipulation of the argument path results in path traversal. This vulnerability was named CVE-2026-129260. The attack may be performed from remote. In addition, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Mereithhh VanBlog up to 0.54.0. It has been classified as critical. Affected is the function fs.readFileSync of the file local.provider.ts of the component Custom Page Handler. The manipulation of the argument path with an unknown input leads to a path traversal vulnerability. CWE is classifying the issue as CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is available at note.geronimo.xin. This vulnerability is traded as CVE-2026-129260. The exploitability is told to be easy. It is possible to launch the attack remotely. Additional levels of successful authentication are necessary for exploitation. Technical details and a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is shared for download at note.geronimo.xin. It is declared as proof-of-concept.

Upgrading to version test-20261013 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch d63aa163f10b6dc1080e2368fe8e71aa95b765cb 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.

If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Mereithhh

Name

• VanBlog

Version

• 0.1
• 0.2
• 0.3
• 0.4
• 0.5
• 0.6
• 0.7
• 0.8
• 0.9
• 0.10
• 0.11
• 0.12
• 0.13
• 0.14
• 0.15
• 0.16
• 0.17
• 0.18
• 0.19
• 0.20
• 0.21
• 0.22
• 0.23
• 0.24
• 0.25
• 0.26
• 0.27
• 0.28
• 0.29
• 0.30
• 0.31
• 0.32
• 0.33
• 0.34
• 0.35
• 0.36
• 0.37
• 0.38
• 0.39
• 0.40
• 0.41
• 0.42
• 0.43
• 0.44
• 0.45
• 0.46
• 0.47
• 0.48
• 0.49
• 0.50
• 0.51
• 0.52
• 0.53
• 0.54.0

License

• open-source

Website

• Product: https://github.com/Mereithhh/vanblog/

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #1043274: Mereithhh VanBlog 0.54.0 Path Traversal to RCE (by Geronimo)

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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