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Inplace-edit dialog exposes comments from hidden admin-only project custom fields

Moderate
oliverguenther published GHSA-63fg-pgqj-3qf8 Jul 8, 2026

Software

OpenProject

Affected versions

<= 17.5.1

Patched versions

17.5.2

Description

An authenticated non-admin project member can request the inplace-edit dialog for a raw custom_field_<id> project attribute and retrieve the stored comment text for an admin_only project custom field.

The normal project custom-field visibility and writable scopes exclude the field for the same user, but the dialog path resolves the custom field by raw id and renders the stored custom-field comment in read-only mode.

The claim is intentionally narrow: this discloses custom-field comment text only. This report does not claim hidden custom-field value disclosure, writes, or mutation.

Severity

Moderate

CVE ID

CVE-2026-55095

Weaknesses

Missing Authorization

The product does not perform an authorization check when an actor attempts to access a resource or perform an action. Learn more on MITRE.

Credits