{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-120426", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-02T12:42:10.388Z", "datePublished": "2026-11-02T14:28:52.258Z", "dateUpdated": "2026-11-02T14:28:52.258Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-02T14:28:52.258Z"}, "datePublic": "2026-10-31T00:00:00.000Z", "title": "OpenCSG CSGHub through v2.6.0-ce Unauthenticated Private Repository File Read via Resolve Route", "descriptions": [{"lang": "en", "value": "OpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read private repository files. Attackers can inject a percent-encoded current_user parameter into the file path, which the portal forwards with its server API key, to read files in private model, code or space repositories."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "OpenCSG", "product": "CSGHub", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThanOrEqual": "v2.6.0-ce", "status": "affected", "versionType": "custom"}], "repo": "https://github.com/OpenCSGs/csghub"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 8.7, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 7.5, "baseSeverity": "HIGH"}}], "references": [{"url": "https://github.com/OpenCSGs/csghub/issues/1586", "tags": ["issue-tracking"]}, {"url": "https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/routes/router.go#L302-L303", "tags": ["technical-description"]}, {"url": "https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/internal/handlers/frontend/resolve.go#L138-L151", "tags": ["technical-description"]}, {"url": "https://github.com/OpenCSGs/csghub/blob/v2.6.0-ce/pkg/server/backend/csghubserver/download.go#L10-L41", "tags": ["technical-description"]}, {"url": "https://github.com/OpenCSGs/csghub-server/blob/v2.6.0-ce/api/middleware/authenticator.go#L210-L226", "tags": ["technical-description"]}, {"url": "https://github.com/OpenCSGs/csghub/releases/tag/v2.6.0-ce", "tags": ["release-notes"], "name": "CSGHub v2.6.0-ce Release Notes"}, {"url": "https://hackmd.io/@hieund/csghub-private-repo-file-read-idor", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: OpenCSG CSGHub through v2.6.0-ce Unauthenticated Private Repository File Read via Resolve Route", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/opencsg-csghub-through-2.6.0-ce-unauthenticated-private-repository-file-read-via-resolve-route"}], "credits": [{"lang": "en", "value": "hieuPenguinnn", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,v2.6.0-ce]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "CSGHub", "source": "cna", "vendor": "OpenCSG"}, "product": "csghub", "vendor": "opencsg"}], "created": "2026-11-02T15:30:14.818076+00:00", "updated": "2026-11-03T16:26:30.853559+00:00", "vendors": ["opencsg", "opencsg$PRODUCT$csghub"]}