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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-59831",
"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"state": "PUBLISHED",
"assignerShortName": "GitHub_M",
"dateReserved": "2026-07-07T15:00:50.979Z",
"datePublished": "2026-07-09T22:11:05.418Z",
"dateUpdated": "2026-07-14T01:20:59.985Z"
},
"containers": {
"cna": {
"title": "GitHub CLI `gh codespace jupyter` could allow remote code execution when connecting to a malicious Codespace",
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-829",
"lang": "en",
"description": "CWE-829: Inclusion of Functionality from Untrusted Control Sphere",
"type": "CWE"
}
]
}
],
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "HIGH",
"attackVector": "NETWORK",
"availabilityImpact": "NONE",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "LOW",
"integrityImpact": "LOW",
"privilegesRequired": "LOW",
"scope": "CHANGED",
"userInteraction": "REQUIRED",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:L/I:L/A:N",
"version": "3.1"
}
}
],
"references": [
{
"name": "https://github.com/cli/cli/security/advisories/GHSA-8cg3-r6g9-fpg2",
"tags": [
"x_refsource_CONFIRM"
],
"url": "https://github.com/cli/cli/security/advisories/GHSA-8cg3-r6g9-fpg2"
},
{
"name": "https://github.com/cli/cli/commit/b300f2ec7ec9dc9addc39b2ad88c54097ded7ca0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cli/cli/commit/b300f2ec7ec9dc9addc39b2ad88c54097ded7ca0"
},
{
"name": "https://github.com/cli/cli/releases/tag/v2.96.0",
"tags": [
"x_refsource_MISC"
],
"url": "https://github.com/cli/cli/releases/tag/v2.96.0"
}
],
"affected": [
{
"vendor": "cli",
"product": "cli",
"versions": [
{
"version": ">= 2.10.0, < 2.96.0",
"status": "affected"
}
]
}
],
"providerMetadata": {
"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
"shortName": "GitHub_M",
"dateUpdated": "2026-07-09T22:11:05.418Z"
},
"descriptions": [
{
"lang": "en",
"value": "GitHub CLI (gh) is GitHub’s official command line tool. From 2.10.0 through 2.95.0, connecting to a malicious Codespace with gh codespace jupyter can allow command execution because the command opens a JupyterLab URL supplied by a process inside the Codespace without validating that it is a loopback HTTP or HTTPS address, allowing a crafted vscode:// or vscode-insiders:// URL to be handed to VS Code. This issue is fixed in version 2.96.0."
}
],
"source": {
"advisory": "GHSA-8cg3-r6g9-fpg2",
"discovery": "UNKNOWN"
}
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-07-14T01:20:49.738308Z",
"id": "CVE-2026-59831",
"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": "2026-07-14T01:20:59.985Z"
}
}
]
}
}