CVE-2026-127081

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-127081", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-12T14:12:10.282Z", "datePublished": "2026-11-13T09:34:20.852Z", "dateUpdated": "2026-11-13T09:34:20.852Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:34:20.852Z"}, "datePublic": "2026-11-12T00:00:00.000Z", "title": "OpsTree BuildPiper before 2.7.0 Authorization Bypass via Pipeline Stage project_env_id", "descriptions": [{"lang": "en", "value": "OpsTree BuildPiper before 2.7.0 contains an authorization bypass vulnerability that allows authenticated users to link pipeline stages to environments of other projects by supplying a foreign project_env_id. Attackers can submit another project's environment identifier to the POST /api/v1/pipeline/{pipeline_id}/stages/ endpoint, persisting cross-project associations that bypass project separation."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Authorization Bypass Through User-Controlled Key", "cweId": "CWE-639", "type": "CWE"}]}], "affected": [{"vendor": "OpsTree Solutions", "product": "BuildPiper", "defaultStatus": "unaffected", "versions": [{"version": "0", "lessThan": "2.7.0", "status": "affected", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://gist.github.com/neelkotnis/0f4aaf3d9ab99950c7f643546fd7d713", "tags": ["technical-description", "exploit"]}, {"url": "https://www.buildpiper.io/", "tags": ["product"], "name": "BuildPiper Product Page"}, {"name": "VulnCheck Advisory: OpsTree BuildPiper before 2.7.0 Authorization Bypass via Pipeline Stage project_env_id", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/opstree-buildpiper-before-2.7.0-authorization-bypass-via-pipeline-stage-project-env-id"}], "credits": [{"lang": "en", "value": "Neel Saurabh Kotnis", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

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