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CVE-2024-58136 — Vulnerability in yiisoft/yii2 — CVE Details

CRITICAL
Actively Exploited

yiisoft/yii2 Mishandles the Attaching of Behavior Defined by a `__class` Array Key

Published April 10, 2025Updated October 22, 2025Source: osv

What Should I Do?

Patch Immediately

This vulnerability is confirmed under active exploitation (CISA KEV). Patch within 24-48 hours if possible.

Summary

Yii 2 before 2.0.52 mishandles the attaching of behavior that is defined by an __class array key, a CVE-2024-4990 regression, as exploited in the wild in February through April 2025.

Advisory Timeline

  • First published April 10, 2025 (550 days ago).
  • Last revised October 22, 2025 — 196 days after initial publication.
  • Added to CISA's Known Exploited Vulnerabilities catalog 22 days after publication.

Remediation

Upgrade to the fixed version using your package manager.

Composer
Update yiisoft/yii2 to 2.0.52 or later
composer require "yiisoft/yii2:^2.0.52"

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (1)

Affects 1 ecosystem: packagist (1).

PackageEcosystemAffectedFixed In
yiisoft/yii2
packagist
2.0.0, 2.0.0-alpha, 2.0.0-beta, 2.0.0-rc (+72 more)2.0.52

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 9.0 score means for each attack dimension.

Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H/E:H

References

Frequently Asked Questions

What is CVE-2024-58136?
yiisoft/yii2 Mishandles the Attaching of Behavior Defined by a `__class` Array Key This vulnerability has been assigned a severity rating of CRITICAL (CVSS score: 9.0/10).
How do I check if my project is affected by CVE-2024-58136?
CVE-2024-58136 affects yiisoft/yii2. This vulnerability is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, meaning it is being actively exploited in the wild. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2024-58136 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score
9.0

Exploitation is straightforward and causes maximum impact. Patch immediately.

Known Exploited Vulnerability

This vulnerability is in CISA's Known Exploited Vulnerabilities (KEV) catalog, indicating active exploitation in the wild.

Added to KEV catalog: May 2, 2025

Remediation deadline: May 23, 2025

Also Known As

GHSA-ggwg-cmwp-46r5

Related CVEs

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