CVE-2026-119598

Miaomiaowu before 0.9.3 contains an insecure direct object reference vulnerability in /api/user/proxy-provider-configs that allows authenticated users to read other users' configurations. Attackers can iterate the global auto-increment external_subscription_id parameter to disclose override scripts, filter rules, custom request headers and health-check URLs.

CVSS v3 4.3 MEDIUM

4.3^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 1.4

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

References

Link	Resource
https://github.com/iluobei/miaomiaowu
https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/handler/proxy_provider.go#L114
https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/storage/traffic.go#L4808
https://github.com/iluobei/miaomiaowu/commit/14ccf37ef82cff06b636454c29db7752cdce7cab
https://github.com/iluobei/miaomiaowu/issues/131
https://github.com/iluobei/miaomiaowu/releases/tag/v0.9.3
https://hackmd.io/@hieuPenguinnn/miaomiaowu-proxy-provider-config-cross-user-idor
https://www.vulncheck.com/advisories/miaomiaowu-before-0.9.3-cross-user-proxy-provider-config-disclosure-via-external-subscription-id

Configurations

No configuration.

History

30 Oct 2026, 14:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-10-30 14:16

Updated : 2026-10-30 19:23

NVD link : CVE-2026-119598

Mitre link : CVE-2026-119598

CVE.ORG link : CVE-2026-119598

JSON object : View

Products Affected

No product.

CWE

CWE-639

Authorization Bypass Through User-Controlled Key

{"id": "CVE-2026-119598", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-119598", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-10-30T15:21:14.576493Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.3, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "LOW"}, "impactScore": 1.4, "exploitabilityScore": 2.8}], "cvssMetricV40": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "cvssData": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 5.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/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", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "NONE", "integrityRequirement": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "availabilityRequirement": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "confidentialityRequirement": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED"}}]}, "affected": [{"source": "disclosure@vulncheck.com", "affectedData": [{"repo": "https://github.com/iluobei/miaomiaowu", "vendor": "iluobei", "product": "miaomiaowu", "versions": [{"status": "affected", "version": "0", "lessThan": "0.9.3", "versionType": "semver"}], "defaultStatus": "unaffected"}]}], "published": "2026-10-30T14:16:47.947", "references": [{"url": "https://github.com/iluobei/miaomiaowu", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/handler/proxy_provider.go#L114", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/iluobei/miaomiaowu/blob/v0.9.2/internal/storage/traffic.go#L4808", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/iluobei/miaomiaowu/commit/14ccf37ef82cff06b636454c29db7752cdce7cab", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/iluobei/miaomiaowu/issues/131", "source": "disclosure@vulncheck.com"}, {"url": "https://github.com/iluobei/miaomiaowu/releases/tag/v0.9.3", "source": "disclosure@vulncheck.com"}, {"url": "https://hackmd.io/@hieuPenguinnn/miaomiaowu-proxy-provider-config-cross-user-idor", "source": "disclosure@vulncheck.com"}, {"url": "https://www.vulncheck.com/advisories/miaomiaowu-before-0.9.3-cross-user-proxy-provider-config-disclosure-via-external-subscription-id", "source": "disclosure@vulncheck.com"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Secondary", "source": "disclosure@vulncheck.com", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "Miaomiaowu before 0.9.3 contains an insecure direct object reference vulnerability in /api/user/proxy-provider-configs that allows authenticated users to read other users' configurations. Attackers can iterate the global auto-increment external_subscription_id parameter to disclose override scripts, filter rules, custom request headers and health-check URLs."}], "lastModified": "2026-10-30T19:23:25.493", "sourceIdentifier": "disclosure@vulncheck.com"}