# CVE-2026-25892: Adminer has an Unauthenticated Persistent DoS via Array Injection in ?script=version Endpoint

Source: https://junglewise.ai/threats/cve-2026-25892-adminer-has-an-unauthenticated-persistent-dos-via-array-injection  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2026-02-10  
License: CC BY 4.0 with a link back

CVE-2026-25892 · Severity: low · CVSS 3.1 · Published 2026-02-10

Adminer has an Unauthenticated Persistent DoS via Array Injection in ?script=version Endpoint

Technologies: [vrana/adminer (Packagist)](https://junglewise.ai/threats/technologies/packagist-vrana-adminer). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2026-25892 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2026-25892 being exploited in the wild.

**How severe is CVE-2026-25892?** Low severity, with a CVSS score of 3.1, published 10 February 2026.

**Which products and versions are affected?** vrana/adminer (Packagist) ECOSYSTEM:introduced=4.6.2,fixed=5.4.2.

**Is there a fix for CVE-2026-25892?** Yes. vrana/adminer (Packagist): upgrade to 5.4.2 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2026-25892?** Check whether you run vrana/adminer (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- vrana/adminer (Packagist): upgrade to 5.4.2 or later

  ```sh
  composer require vrana/adminer:^5.4.2
  ```


## Affected products

- vrana/adminer (Packagist) ECOSYSTEM:introduced=4.6.2,fixed=5.4.2

## Identifiers

- CVE-2026-25892
- GHSA-q4f2-39gr-45jh

## Related threats

- [Adminer PHP Object Injection issue leads to Denial of Service](https://junglewise.ai/threats/cve-2025-43960-adminer-php-object-injection-issue-leads-to-denial-of-service)
- [Adminer file disclosure vulnerability](https://junglewise.ai/threats/adminer-file-disclosure-vulnerability-6bda7122)
- [Files or Directories Accessible to External Parties in Adminer](https://junglewise.ai/threats/cve-2021-43008-files-or-directories-accessible-to-external-parties-in-adminer)
- [XSS in doc_link](https://junglewise.ai/threats/cve-2021-29625-xss-in-doc-link)
- [vrana/adminer vulnerable to SSRF by connecting to privileged ports](https://junglewise.ai/threats/cve-2018-7667-vrana-adminer-vulnerable-to-ssrf-by-connecting-to-privileged-ports)