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CVE-2025-59537— argo-cd is vulnerable to unauthenticated DoS attack via malformed Gogs webhook payload

Quick assessment

Affected
argoproj argo-cd
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.

Argo CD是Argo开源的一个用于Kubernetes的声明性GitOps连续交付工具。 Argo CD存在代码问题漏洞，该漏洞源于恶意API请求未正确处理，可能导致API服务器崩溃和拒绝服务。以下版本受到影响：1.8.7及之前版本、2.14.19及之前版本、3.2.0-rc1及之前版本、3.1.7版本和3.0.18版本

CVSS 7.5 · High EPSS 0.60% · P47

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service
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I. Basic Information for CVE-2025-59537

Vulnerability Information
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Vulnerability Title
argo-cd is vulnerable to unauthenticated DoS attack via malformed Gogs webhook payload
Source: CVE Program / CVE List V5
Vulnerability Description
Argo CD is a declarative, GitOps continuous delivery tool for Kubernetes. Versions 1.2.0 through 1.8.7, 2.0.0-rc1 through 2.14.19, 3.0.0-rc1 through 3.2.0-rc1, 3.1.7 and 3.0.18 are vulnerable to malicious API requests which can crash the API server and cause denial of service to legitimate clients. With the default configuration, no webhook.gogs.secret set, Argo CD’s /api/webhook endpoint will crash the entire argocd-server process when it receives a Gogs push event whose JSON field commits[].repo is not set or is null. This issue is fixed in versions 2.14.20, 3.2.0-rc2, 3.1.8 and 3.0.19.
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
输入验证不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Argo CD 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Argo CD是Argo开源的一个用于Kubernetes的声明性GitOps连续交付工具。 Argo CD存在代码问题漏洞，该漏洞源于恶意API请求未正确处理，可能导致API服务器崩溃和拒绝服务。以下版本受到影响：1.8.7及之前版本、2.14.19及之前版本、3.2.0-rc1及之前版本、3.1.7版本和3.0.18版本
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
argoproj argo-cd >= 1.2.0, <= 1.8.7 -

II. Public POCs for CVE-2025-59537

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III. Intelligence Information for CVE-2025-59537

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Patches & Fixes for CVE-2025-59537 (1)

Vendor Advisories for CVE-2025-59537 (1)

Same Patch Batch · argoproj · 2025-10-01 · 3 CVEs total

CVE-2025-59531 7.5 HIGH Unauthenticated argocd-server panic via a malicious Bitbucket-Server webhook payload
CVE-2025-59538 7.5 HIGH Argo CD is Vulnerable to Unauthenticated Remote DoS via malformed Azure DevOps git.push we

IV. Related Vulnerabilities

Same product: argo-cd
Same vendor: argoproj
Same weakness: CWE-20

V. Comments for CVE-2025-59537

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