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CVE-2026-32768— Chall-Manager's invalid NetworkPolicy enables a malicious actor to pivot into another namespace

Quick assessment

Affected
ctfer-io chall-manager
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.

Chall-Manager是CTFer.io开源的一个开源项目。 Chall-Manager 0.6.5之前版本存在访问控制错误漏洞，该漏洞源于网络策略配置错误，可能导致横向移动。

AI Predicted 5.0 Difficulty: Moderate EPSS 0.52% · P43

Possible ATT&CK Techniques 1 AI

T1021.004 · SSH
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I. Basic Information for CVE-2026-32768

Vulnerability Information
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Vulnerability Title
Chall-Manager's invalid NetworkPolicy enables a malicious actor to pivot into another namespace
Source: CVE Program / CVE List V5
Vulnerability Description
Chall-Manager is a platform-agnostic system able to start Challenges on Demand of a player. In versions prior to 0.6.5, due to a miswritten NetworkPolicy, a malicious actor can pivot from an instance to any Pod out of the origin namespace. This breaks the security-by-default property expected as part of the deployment program, leading to a potential lateral movement. In the specific case of sdk/kubernetes.Kompose it does not isolate the instances. This issue has been fixed in version 0.6.5.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
访问控制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Chall-Manager 访问控制错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Chall-Manager是CTFer.io开源的一个开源项目。 Chall-Manager 0.6.5之前版本存在访问控制错误漏洞，该漏洞源于网络策略配置错误，可能导致横向移动。
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
ctfer-io chall-manager < 0.6.5 -

II. Public POCs for CVE-2026-32768

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III. Intelligence Information for CVE-2026-32768

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Patches & Fixes for CVE-2026-32768 (1)

Vendor Advisories for CVE-2026-32768 (1)

Vendor Pages for CVE-2026-32768 (1)

Same Patch Batch · ctfer-io · 2026-03-20 · 3 CVEs total

CVE-2026-32769 Fullchain's Invalid NetworkPolicy enables a malicious actor to pivot into another namespac
CVE-2026-32771 Monitoring is vulnerable to Archive Slip due to missing checks in sanitization

IV. Related Vulnerabilities

Same product: chall-manager
Same vendor: ctfer-io
Same weakness: CWE-284

V. Comments for CVE-2026-32768

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