ApostropheCMS up to 4.33.x getOne REST Endpoint _id privileges management

Summaryinfo

A vulnerability classified as problematic has been found in ApostropheCMS up to 4.33.x. Impacted is an unknown function of the component getOne REST Endpoint. This manipulation of the argument _id causes privileges management. This vulnerability is handled as CVE-2026-112957. The attack can be initiated remotely. There is not any exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in ApostropheCMS up to 4.33.x. Affected by this vulnerability is some unknown processing of the component getOne REST Endpoint. The manipulation of the argument _id with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality. The summary by CVE is:

ApostropheCMS is an open-source Node.js content management system. Prior to 4.34.0, the getOne REST endpoint for pages does not apply viewRole type-level restrictions or viewPermission field-level redaction. An editor-level user who knows a document _id can read the full content of admin-only pages and their privileged fields, while the getAll endpoint correctly enforces both restrictions. This issue is fixed in version 4.34.0.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2026-112957 since 10/19/2026. The exploitation appears to be easy. The attack can be launched remotely. Technical details of the vulnerability are known, but there is no available exploit. The attack technique deployed by this issue is T1068 according to MITRE ATT&CK.

Upgrading to version 4.34.0 eliminates this vulnerability.

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Productinfo

Name

• ApostropheCMS

Version

• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 4.10
• 4.11
• 4.12
• 4.13
• 4.14
• 4.15
• 4.16
• 4.17
• 4.18
• 4.19
• 4.20
• 4.21
• 4.22
• 4.23
• 4.24
• 4.25
• 4.26
• 4.27
• 4.28
• 4.29
• 4.30
• 4.31
• 4.32
• 4.33

CPE 2.3info

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CPE 2.2info

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