# CVE-2025-2689: yiisoft Yii2 Deserialization of Untrusted Data

Source: https://junglewise.ai/threats/cve-2025-2689-yiisoft-yii2-deserialization-of-untrusted-data  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2025-03-24  
License: CC BY 4.0 with a link back

CVE-2025-2689 · Severity: low · CVSS 3.1 · Published 2025-03-24

yiisoft Yii2 Deserialization of Untrusted Data

Technologies: [yiisoft/yii2-dev (Packagist)](https://junglewise.ai/threats/technologies/yiisoft-yii2-dev). Vendors: [Packagist](https://junglewise.ai/threats/vendors/packagist).

## Quick answers

**Is CVE-2025-2689 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2025-2689 being exploited in the wild.

**How severe is CVE-2025-2689?** Low severity, with a CVSS score of 3.1, published 24 March 2025.

**Which products and versions are affected?** yiisoft/yii2-dev (Packagist) ECOSYSTEM:introduced=0,last_affected=2.0.45.

**Is there a fix for CVE-2025-2689?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2025-2689?** Check whether you run yiisoft/yii2-dev (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.

## Affected products

- yiisoft/yii2-dev (Packagist) ECOSYSTEM:introduced=0,last_affected=2.0.45

## Identifiers

- CVE-2025-2689
- GHSA-88m2-j94x-v4fx

## Related threats

- [Yii SQL injection vulnerability](https://junglewise.ai/threats/cve-2018-7269-yii-sql-injection-vulnerability)
- [Yii Framework Code Injection](https://junglewise.ai/threats/cve-2018-8074-yii-framework-code-injection)
- [Yii Cross-site Scripting Framework vulnerability](https://junglewise.ai/threats/cve-2017-11516-yii-cross-site-scripting-framework-vulnerability)
- [Yii Framework Cross-Site Request Forgery (CSRF)](https://junglewise.ai/threats/cve-2018-6009-yii-framework-cross-site-request-forgery-csrf)
- [Use of Insufficiently Random Values in yiisoft/yii2-dev](https://junglewise.ai/threats/cve-2021-3689-use-of-insufficiently-random-values-in-yiisoft-yii2-dev)