CVE-2026-94445

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-94445", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2026-09-21T16:43:04.757Z", "datePublished": "2026-09-25T16:43:06.941Z", "dateUpdated": "2026-09-25T17:08:14.767Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-09-25T16:43:06.941Z"}, "title": "Malicious user input may lead to RCE in golang.org/x/playground", "datePublic": "2026-09-24T21:10:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-20", "description": "CWE-20 Improper input validation", "type": "CWE"}]}], "affected": [{"vendor": "golang.org/x/playground", "product": "golang.org/x/playground", "collectionURL": "https://pkg.go.dev", "packageName": "golang.org/x/playground", "versions": [{"status": "affected", "version": "0", "lessThan": "0.0.0-20260924211604-6d73cff14c17", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.\n\n\n\nDisjointly, one of the three possible paths to invoke\u00a0go vet\u00a0on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.\n\n\n\nTogether, a well-crafted go env file and the\u00a0go vet\u00a0invocation could lead to remote code execution in the playground host itself.\n\n\n\n\nThis does not affect users of go.dev/play directly; however, it may affect\u00a0independent deployments of golang.org/x/playground.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.</p><p>Disjointly, one of the three possible paths to invoke&nbsp;<code>go vet</code>&nbsp;on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.</p><p>Together, a well-crafted go env file and the&nbsp;<code>go vet</code>&nbsp;invocation could lead to remote code execution in the playground host itself.<br></p><p>This does not affect users of go.dev/play directly; however, it may affect&nbsp;independent deployments of golang.org/x/playground.</p>"}]}], "references": [{"url": "https://go.dev/issue/81737"}, {"url": "https://go.dev/cl/838485"}], "credits": [{"lang": "en", "value": "splitline (@splitline) from DEVCORE Research Team", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-09-25T17:08:10.870774Z", "id": "CVE-2026-94445", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"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": "2026-09-25T17:08:14.767Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.8, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-94445", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-09-25T17:08:10.870774Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-25T17:07:42.552Z"}}], "cna": {"title": "Malicious user input may lead to RCE in golang.org/x/playground", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "splitline (@splitline) from DEVCORE Research Team"}], "affected": [{"vendor": "golang.org/x/playground", "product": "golang.org/x/playground", "versions": [{"status": "affected", "version": "0", "lessThan": "0.0.0-20260924211604-6d73cff14c17", "versionType": "semver"}], "packageName": "golang.org/x/playground", "collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected"}], "datePublic": "2026-09-24T21:10:00.000Z", "references": [{"url": "https://go.dev/issue/81737"}, {"url": "https://go.dev/cl/838485"}], "x_generator": {"engine": "Vulnogram 1.0.5"}, "descriptions": [{"lang": "en", "value": "A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.\n\n\n\nDisjointly, one of the three possible paths to invoke\u00a0go vet\u00a0on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.\n\n\n\nTogether, a well-crafted go env file and the\u00a0go vet\u00a0invocation could lead to remote code execution in the playground host itself.\n\n\n\n\nThis does not affect users of go.dev/play directly; however, it may affect\u00a0independent deployments of golang.org/x/playground.", "supportingMedia": [{"type": "text/html", "value": "<p>A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.</p><p>Disjointly, one of the three possible paths to invoke&nbsp;<code>go vet</code>&nbsp;on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.</p><p>Together, a well-crafted go env file and the&nbsp;<code>go vet</code>&nbsp;invocation could lead to remote code execution in the playground host itself.<br></p><p>This does not affect users of go.dev/play directly; however, it may affect&nbsp;independent deployments of golang.org/x/playground.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-20", "description": "CWE-20 Improper input validation"}]}], "providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-09-25T16:43:06.941Z"}}}, "cveMetadata": {"cveId": "CVE-2026-94445", "state": "PUBLISHED", "dateUpdated": "2026-09-25T17:08:14.767Z", "dateReserved": "2026-09-21T16:43:04.757Z", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "datePublished": "2026-09-25T16:43:06.941Z", "assignerShortName": "Go"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected", "packageName": "golang.org/x/playground", "product": "golang.org/x/playground", "vendor": "golang.org/x/playground", "versions": [{"lessThan": "0.0.0-20260924211604-6d73cff14c17", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@golang.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A malicious txtar could escape the intended execution context and force arbitrary writes to the playground host's trusted filesystem.\n\n\n\nDisjointly, one of the three possible paths to invoke\u00a0go vet\u00a0on the playground host did not correctly restrict the execution environment. This permitted a Go process to make a read for an environment configuration file rooted in the playground host's $HOME.\n\n\n\nTogether, a well-crafted go env file and the\u00a0go vet\u00a0invocation could lead to remote code execution in the playground host itself.\n\n\n\n\nThis does not affect users of go.dev/play directly; however, it may affect\u00a0independent deployments of golang.org/x/playground."}], "id": "CVE-2026-94445", "lastModified": "2026-09-29T21:36:39.547", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-94445", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-09-25T17:08:10.870774Z", "version": "2.0.3"}}]}, "published": "2026-09-25T17:17:19.963", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/838485"}, {"source": "security@golang.org", "url": "https://go.dev/issue/81737"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-20"}], "source": "security@golang.org", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.0.0-20260924211604-6d73cff14c17)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "manual", "scores": [{"score": 100.0, "source": "manual"}]}, "original": {"product": "golang.org/x/playground", "source": "cna", "vendor": "golang.org/x/playground"}, "product": "playground", "vendor": "golang"}], "created": "2026-09-25T20:45:17.206008+00:00", "updated": "2026-09-26T22:18:57.619668+00:00", "vendors": ["golang", "golang$PRODUCT$playground"]}