Signal is active with 1 mentions in latest observed window
Recommended action window: Monitor and triage in normal cycle
NVD description
Craft is a content management system (CMS). Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the entry creation process allows for Mass Assignment of the authorId attribute. A user with "Create Entries" permission can inject the authorIds[] (or authorId) parameter into the POST request, which the backend processes without verifying if the current user is authorized to assign authorship to others. Normally, this field is not present in the request for users without the necessary permissions. By manually adding this parameter, an attacker can attribute the new entry to any user, including Admins. This effectively "spoofs" the authorship. This vulnerability is fixed in 4.17.0-beta.1 and 5.9.0-beta.1.
Priority
LOW
Exploitation
NONE
PoC
YES
Patch
AVAILABLE
Momentum
NONE
If you run products in this scope, you should treat this CVE as relevant to your environment.
2 versions affected across 1 product
CVE-2026-28781 Craft is a content management system (CMS). Prior to 4.17.0-beta.1 and 5.9.0-beta.1, the entry creation process allows for Mass Assignment of the authorId attribute. … https://www.cve.org/CVERecord?id=CVE-2026-28781
Post summary
The snippet references CVE-2026-28781 and describes a mass assignment flaw in Craft CMS before certain versions, but no exploit, patch, or PoC details are provided.
7 of 7 entries
| Part | Vendor | Product | Version | Target SW | Target HW |
|---|---|---|---|---|---|
| App | craftcms | craft_cms | - | - | - |
| App | craftcms | craft_cms | 4.0.0 | - | - |
| App | craftcms | craft_cms | 4.0.0 | - | - |
| App | craftcms | craft_cms | 4.0.0 | - | - |
| App | craftcms | craft_cms | 4.0.0 | - | - |
| App | craftcms | craft_cms | 5.0.0 | - | - |
| App | craftcms | craft_cms | 5.0.0 | - | - |