{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-34156", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-03-25T20:12:04.196Z", "datePublished": "2026-03-31T13:33:11.325Z", "dateUpdated": "2026-04-02T15:08:38.165Z"}, "containers": {"cna": {"title": "NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node", "problemTypes": [{"descriptions": [{"cweId": "CWE-913", "lang": "en", "description": "CWE-913: Improper Control of Dynamically-Managed Code Resources", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 10, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/nocobase/nocobase/security/advisories/GHSA-px3p-vgh9-m57c", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nocobase/nocobase/security/advisories/GHSA-px3p-vgh9-m57c"}, {"name": "https://github.com/nocobase/nocobase/pull/8967", "tags": ["x_refsource_MISC"], "url": "https://github.com/nocobase/nocobase/pull/8967"}, {"name": "https://github.com/nocobase/nocobase/releases/tag/v2.0.28", "tags": ["x_refsource_MISC"], "url": "https://github.com/nocobase/nocobase/releases/tag/v2.0.28"}], "affected": [{"vendor": "nocobase", "product": "nocobase", "versions": [{"version": "< 2.0.28", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-31T13:33:11.325Z"}, "descriptions": [{"lang": "en", "value": "NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist (controlled by WORKFLOW_SCRIPT_MODULES env var). However, the console object passed into the sandbox context exposes host-realm WritableWorkerStdio stream objects via console._stdout and console._stderr. An authenticated attacker can traverse the prototype chain to escape the sandbox and achieve Remote Code Execution as root. This issue has been patched in version 2.0.28."}], "source": {"advisory": "GHSA-px3p-vgh9-m57c", "discovery": "UNKNOWN"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-04-02T15:08:26.814719Z", "id": "CVE-2026-34156", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-02T15:08:38.165Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-34156", "role": "CISA Coordinator", "options": [{"Exploitation": "poc"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-04-02T15:08:26.814719Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-02T15:08:32.762Z"}}], "cna": {"title": "NocoBase Affected by Sandbox Escape to RCE via console._stdout Prototype Chain Traversal in Workflow Script Node", "source": {"advisory": "GHSA-px3p-vgh9-m57c", "discovery": "UNKNOWN"}, "metrics": [{"cvssV3_1": {"scope": "CHANGED", "version": "3.1", "baseScore": 10, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}}], "affected": [{"vendor": "nocobase", "product": "nocobase", "versions": [{"status": "affected", "version": "< 2.0.28"}]}], "references": [{"url": "https://github.com/nocobase/nocobase/security/advisories/GHSA-px3p-vgh9-m57c", "name": "https://github.com/nocobase/nocobase/security/advisories/GHSA-px3p-vgh9-m57c", "tags": ["x_refsource_CONFIRM"]}, {"url": "https://github.com/nocobase/nocobase/pull/8967", "name": "https://github.com/nocobase/nocobase/pull/8967", "tags": ["x_refsource_MISC"]}, {"url": "https://github.com/nocobase/nocobase/releases/tag/v2.0.28", "name": "https://github.com/nocobase/nocobase/releases/tag/v2.0.28", "tags": ["x_refsource_MISC"]}], "descriptions": [{"lang": "en", "value": "NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist (controlled by WORKFLOW_SCRIPT_MODULES env var). However, the console object passed into the sandbox context exposes host-realm WritableWorkerStdio stream objects via console._stdout and console._stderr. An authenticated attacker can traverse the prototype chain to escape the sandbox and achieve Remote Code Execution as root. This issue has been patched in version 2.0.28."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-913", "description": "CWE-913: Improper Control of Dynamically-Managed Code Resources"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-03-31T13:33:11.325Z"}}}, "cveMetadata": {"cveId": "CVE-2026-34156", "state": "PUBLISHED", "dateUpdated": "2026-04-02T15:08:38.165Z", "dateReserved": "2026-03-25T20:12:04.196Z", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "datePublished": "2026-03-31T13:33:11.325Z", "assignerShortName": "GitHub_M"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:nocobase:nocobase:*:*:*:*:*:*:*:*", "matchCriteriaId": "2F4BBE86-4C61-42A4-B11E-1AFFE76B84B9", "versionEndExcluding": "2.0.28", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "NocoBase is an AI-powered no-code/low-code platform for building business applications and enterprise solutions. Prior to version 2.0.28, NocoBase's Workflow Script Node executes user-supplied JavaScript inside a Node.js vm sandbox with a custom require allowlist (controlled by WORKFLOW_SCRIPT_MODULES env var). However, the console object passed into the sandbox context exposes host-realm WritableWorkerStdio stream objects via console._stdout and console._stderr. An authenticated attacker can traverse the prototype chain to escape the sandbox and achieve Remote Code Execution as root. This issue has been patched in version 2.0.28."}], "id": "CVE-2026-34156", "lastModified": "2026-04-07T20:57:55.957", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.9, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2026-03-31T14:16:12.170", "references": [{"source": "security-advisories@github.com", "tags": ["Issue Tracking", "Patch"], "url": "https://github.com/nocobase/nocobase/pull/8967"}, {"source": "security-advisories@github.com", "tags": ["Product", "Release Notes"], "url": "https://github.com/nocobase/nocobase/releases/tag/v2.0.28"}, {"source": "security-advisories@github.com", "tags": ["Exploit", "Mitigation", "Vendor Advisory"], "url": "https://github.com/nocobase/nocobase/security/advisories/GHSA-px3p-vgh9-m57c"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-913"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.0.28)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "nocobase", "source": "cna", "vendor": "nocobase"}, "product": "nocobase", "vendor": "nocobase"}], "created": "2026-03-31T19:54:44.351935+00:00", "updated": "2026-05-12T15:00:16.803053+00:00", "vendors": ["nocobase", "nocobase$PRODUCT$nocobase"]}