appleple a-blog cms up to 3.2.33 path traversal

Summaryinfo

A vulnerability classified as critical was found in appleple a-blog cms up to 3.2.33. This affects an unknown function. Executing a manipulation can lead to path traversal. This vulnerability appears as CVE-2026-87727. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in appleple a-blog cms up to 3.2.33. It has been declared as critical. This vulnerability affects an unknown function. The manipulation with an unknown input leads to a path traversal vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

a-blog cms Ver. 3.2.33 and earlier contains a path traversal vulnerability, which allows an unauthenticated attacker to read or delete arbitrary files on the affected product.

The advisory is shared for download at jvn.jp. This vulnerability was named CVE-2026-87727 since 09/09/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/11/2026). The MITRE ATT&CK project declares the attack technique as T1006.

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

Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

• Blog Software

Vendor

• appleple

Name

• a-blog cms

Version

• 3.2.0
• 3.2.1
• 3.2.2
• 3.2.3
• 3.2.4
• 3.2.5
• 3.2.6
• 3.2.7
• 3.2.8
• 3.2.9
• 3.2.10
• 3.2.11
• 3.2.12
• 3.2.13
• 3.2.14
• 3.2.15
• 3.2.16
• 3.2.17
• 3.2.18
• 3.2.19
• 3.2.20
• 3.2.21
• 3.2.22
• 3.2.23
• 3.2.24
• 3.2.25
• 3.2.26
• 3.2.27
• 3.2.28
• 3.2.29
• 3.2.30
• 3.2.31
• 3.2.32
• 3.2.33

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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