Authorization Bypass Through User-Controlled Key Affecting @strapi/core package, versions >=5.0.0 <5.5.2
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-JS-STRAPICORE-13601313
- published17 Oct 2025
- disclosed16 Oct 2025
- creditBoegie19
Introduced: 16 Oct 2025
NewCVE-2024-56143 (opens in a new tab)How to fix?
Upgrade @strapi/core to version 5.5.2 or higher.
Overview
@strapi/core is a Core of Strapi
Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the lookup operator in the document service due to improper sanitization of query operator for private fields . An attacker can retrieve sensitive private fields, such as administrator passwords and reset tokens, by submitting specially crafted queries.
PoC
- Create a strapi app;
- Create a content-type;
- In the content-type make a new entry;
- Go back to the list view;
- Add
&lookup[updatedBy][password][$startsWith]=$2to the end of a url (All passwords start with$2) and see that all entries are still there; - Add
&lookup[updatedBy][password][$startsWith]=$3see the entry disappear proving that the search above works.