{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-127077", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-12T14:12:08.852Z", "datePublished": "2026-11-13T09:34:24.783Z", "dateUpdated": "2026-11-13T18:34:05.192Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-13T09:34:24.783Z"}, "datePublic": "2026-11-12T00:00:00.000Z", "title": "OpsTree BuildPiper before 2.7.0 Authorization Bypass via Environment Creation API", "descriptions": [{"lang": "en", "value": "OpsTree BuildPiper before 2.7.0 contains an authorization bypass vulnerability that allows authenticated users to create environments on unassigned Kubernetes clusters by tampering with cluster_id and namespaces values. Attackers can modify requests to POST /api/v1/project/{project_id}/env/ to target another project's cluster, then trigger builds and deployments into it, bypassing project isolation."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Missing Authorization", "cweId": "CWE-862", "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:L/VI:H/VA:N/SC:N/SI:N/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "HIGH", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "LOW", "integrityImpact": "HIGH", "availabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}], "references": [{"url": "https://gist.github.com/neelkotnis/e6ba937a2ea3f06fc0a79bd6193e4574", "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 Environment Creation API", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/opstree-buildpiper-before-2.7.0-authorization-bypass-via-environment-creation-api"}], "credits": [{"lang": "en", "value": "Neel Saurabh Kotnis", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-11-13T18:33:42.611024Z", "id": "CVE-2026-127077", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-11-13T18:34:05.192Z"}}]}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.7.0)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "BuildPiper", "source": "cna", "vendor": "OpsTree Solutions"}, "product": "buildpiper", "vendor": "opstree_solutions"}], "created": "2026-11-14T10:30:09.384423+00:00", "updated": "2026-11-15T21:36:47.864946+00:00", "vendors": ["opstree_solutions", "opstree_solutions$PRODUCT$buildpiper"]}