CVE-2026-54553: Information Disclosure (CVSS 5.4)

Description

Starlette-Admin is a fast, beautiful and extensible administrative interface framework for FastAPI and Starlette applications. Prior to 0.16.1, the list API does not validate user-supplied order_by and structured where field names against the configured sortable_fields and searchable_fields allowlists. An authenticated user with access to an affected list endpoint can submit arbitrary field names to starlette_admin/base.py and the BaseModelView validation path, bypassing restrictions presented by the administrative user interface. Requests can sort or filter on fields that are not intended to be sortable or searchable, causing limited information exposure. Invalid field names and special Python attribute names such as metadata and the class dunder attribute can also trigger unhandled exceptions and HTTP 500 responses, causing limited denial of service for targeted requests. This issue is fixed in version 0.16.1.

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CVSS v3.1 Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

EPSS — Exploit Prediction

0.0034

Probability of exploitation

0.27%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-200 CWE-200

CWE-248 CWE-248

CWE-639 CWE-639

References

Other References

https://github.com/jowilf/starlette-admin/commit/3d9639d12ffc30b0b92d45ad6aae5fefabc948f3 https://github.com/jowilf/starlette-admin/commit/57a1a76d45dfed16f580677303c5fd25220bd36b https://github.com/jowilf/starlette-admin/commit/af05b45cd90944b726949fd650ab9d19f1abafc3 https://github.com/jowilf/starlette-admin/commit/d2a25ebbaf213d4c2cfc87187e34309ca6e30a51 https://github.com/jowilf/starlette-admin/pull/776 https://github.com/jowilf/starlette-admin/releases/tag/0.16.1 https://github.com/jowilf/starlette-admin/security/advisories/GHSA-6753-gr46-6wpr

Frequently Asked Questions

What is CVE-2026-54553? +

Starlette-Admin is a fast, beautiful and extensible administrative interface framework for FastAPI and Starlette applications. Prior to 0.16.1, the list API does not validate user-supplied order_by and structured where field names against the configured sortable_fields and searchable_fields allowlists. An authenticated user with access to an affected list endpoint can submit arbitrary field names to starlette_admin/base.py and the BaseModelView validation path, bypassing restrictions presented by the administrative user interface. Requests can sort or filter on fields that are not intended to be sortable or searchable, causing limited information exposure. Invalid field names and special Python attribute names such as metadata and the class dunder attribute can also trigger unhandled exceptions and HTTP 500 responses, causing limited denial of service for targeted requests. This issue is fixed in version 0.16.1. It has a CVSS v3.1 base score of 5.4 (MEDIUM).

How severe is CVE-2026-54553? +

CVE-2026-54553 has a CVSS v3.1 score of 5.4 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0034, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-54553? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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