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  5. GHSA-rvv3-g6hj-g44x

GHSA-rvv3-g6hj-g44x: AutoMapper Vulnerable to Denial of Service (DoS) via Uncontrolled Recursion

March 13, 2026 (updated March 16, 2026)

AutoMapper is vulnerable to a Denial of Service (DoS) attack. When mapping deeply nested object graphs, the library uses recursive method calls without enforcing a default maximum depth limit. This allows an attacker to provide a specially crafted object graph that exhausts the thread’s stack memory, triggering a StackOverflowException and causing the entire application process to terminate.

References

  • github.com/LuckyPennySoftware/AutoMapper
  • github.com/LuckyPennySoftware/AutoMapper/commit/0afaf1e91648fca1a57512e94dd00a76ee016816
  • github.com/LuckyPennySoftware/AutoMapper/releases/tag/v15.1.1
  • github.com/LuckyPennySoftware/AutoMapper/releases/tag/v16.1.1
  • github.com/LuckyPennySoftware/AutoMapper/security/advisories/GHSA-rvv3-g6hj-g44x
  • github.com/advisories/GHSA-rvv3-g6hj-g44x

Code Behaviors & Features

Detect and mitigate GHSA-rvv3-g6hj-g44x with GitLab Dependency Scanning

Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Learn more about Dependency Scanning →

Affected versions

All versions before 15.1.1, all versions starting from 16.0.0 before 16.1.1

Fixed versions

  • 16.1.1
  • 15.1.1

Solution

Upgrade to versions 15.1.1, 16.1.1 or above.

Impact 7.5 HIGH

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

Learn more about CVSS

Weakness

  • CWE-674: Uncontrolled Recursion

Source file

nuget/AutoMapper/GHSA-rvv3-g6hj-g44x.yml

Spotted a mistake? Edit the file on GitLab.

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