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CVE-2026-32933— AutoMapper Vulnerable to Denial of Service (DoS) via Uncontrolled Recursion

Quick assessment

Affected
LuckyPennySoftware AutoMapper
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

AutoMapper是Lucky Penny Software LLC开源的一个对象映射库。 AutoMapper 15.1.1之前版本和16.1.1之前版本存在安全漏洞，该漏洞源于映射深度嵌套对象图时未强制执行默认最大深度限制，可能导致堆栈溢出和拒绝服务。

CVSS 7.5 · High EPSS 0.69% · P52

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2026-32933

Vulnerability Information
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Vulnerability Title
AutoMapper Vulnerable to Denial of Service (DoS) via Uncontrolled Recursion
Source: CVE Program / CVE List V5
Vulnerability Description
AutoMapper is a convention-based object-object mapper in .NET. Versions prior to 15.1.1 and 16.1.1 are 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. Versions 15.1.1 and 16.1.1 fix the issue.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未经控制的递归
Source: CVE Program / CVE List V5
Vulnerability Title
AutoMapper 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
AutoMapper是Lucky Penny Software LLC开源的一个对象映射库。 AutoMapper 15.1.1之前版本和16.1.1之前版本存在安全漏洞，该漏洞源于映射深度嵌套对象图时未强制执行默认最大深度限制，可能导致堆栈溢出和拒绝服务。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
LuckyPennySoftware AutoMapper >= 16.0.0, < 16.1.1 -

II. Public POCs for CVE-2026-32933

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III. Intelligence Information for CVE-2026-32933

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Patches & Fixes for CVE-2026-32933 (1)

Vendor Advisories for CVE-2026-32933 (1)

Vendor Pages for CVE-2026-32933 (2)

IV. Related Vulnerabilities

Same weakness: CWE-674