RainyGao DocSys up to 2.02.36 /Doc/deleteDoc.do path path traversal

Summaryinfo

A vulnerability identified as critical has been detected in RainyGao DocSys up to 2.02.36. Affected by this issue is some unknown functionality of the file /Doc/deleteDoc.do. The manipulation of the argument path leads to path traversal. This vulnerability is listed as CVE-2025-11631. The attack may be initiated remotely. In addition, an exploit is available. The vendor was contacted early about this disclosure but did not respond in any way.

Detailsinfo

A vulnerability, which was classified as critical, has been found in RainyGao DocSys up to 2.02.36. This issue affects some unknown functionality of the file /Doc/deleteDoc.do. The manipulation of the argument path with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to 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. Impacted is integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2025-11631. The exploitation is known to be easy. The attack may be initiated remotely. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1006 according to MITRE ATT&CK.

The exploit is available at github.com. It is declared as proof-of-concept. The vendor was contacted early about this disclosure but did not respond in any way.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-33888). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• RainyGao

Name

• DocSys

Version

• 2.02.0
• 2.02.1
• 2.02.2
• 2.02.3
• 2.02.4
• 2.02.5
• 2.02.6
• 2.02.7
• 2.02.8
• 2.02.9
• 2.02.10
• 2.02.11
• 2.02.12
• 2.02.13
• 2.02.14
• 2.02.15
• 2.02.16
• 2.02.17
• 2.02.18
• 2.02.19
• 2.02.20
• 2.02.21
• 2.02.22
• 2.02.23
• 2.02.24
• 2.02.25
• 2.02.26
• 2.02.27
• 2.02.28
• 2.02.29
• 2.02.30
• 2.02.31
• 2.02.32
• 2.02.33
• 2.02.34
• 2.02.35
• 2.02.36

CPE 2.3info

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CPE 2.2info

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Submitinfo

Accepted

• Submit #664848: https://github.com/RainyGao-GitHub/DocSys/ DocSys 2.02.36 Delete any file (by Tta0)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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