High
simple-git allows command execution through unblocked Git configuration includes
Type: advisorySources: OSV
simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied through customArgs to git.clone(). The missing include.path classification permits Git to load an attacker-controlled configuration file, and the initial remediation does not cover includeIf..path, allowing the same file-loading primitive through a conditional include. A loaded configuration can set an executable Git option such as core.sshCommand, which Git invokes during the clone operation with the privileges of the Node.js process. Exploitation requires the application to pass attacker-influenced custom arguments and requires an attacker-controlled file that the process can read. This issue is fixed in 4.0.0.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-102826
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 7 Nov 2026, 12:10 UTC · Revision 1
Source evidence
simple-git allows command execution through unblocked Git configuration includes
core-osv · Original sourcePublished 29 Sept 2026, 18:37 UTC
simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied through customArgs to git.clone(). The missing include.path classification permits Git to load an attacker-controlled configuration file, and the initial remediation does not cover includeIf..path, allowing the same file-loading primitive through a conditional include. A loaded configuration can set an executable Git option such as core.sshCommand, which Git invokes during the clone operation with the privileges of the Node.js process. Exploitation requires the application to pass attacker-influenced custom arguments and requires an attacker-controlled file that the process can read. This issue is fixed in 4.0.0.
osv:CVE-2026-102826
Complete source record
{
"id": "41dbc68735812bb8fe7e89be2b7667172b169cd526d44b7cdd67bb7a868b770a",
"url": "https://osv.dev/vulnerability/CVE-2026-102826",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "simple-git allows command execution through unblocked Git configuration includes",
"summary": "simple-git, an interface for running git commands in any node.js application, enables applications to execute Git operations from JavaScript. Prior to 4.0.0, the default blockUnsafeOperationsPlugin does not completely reject configuration includes supplied through customArgs to git.clone(). The missing include.path classification permits Git to load an attacker-controlled configuration file, and the initial remediation does not cover includeIf..path, allowing the same file-loading primitive through a conditional include. A loaded configuration can set an executable Git option such as core.sshCommand, which Git invokes during the clone operation with the privileges of the Node.js process. Exploitation requires the application to pass attacker-influenced custom arguments and requires an attacker-controlled file that the process can read. This issue is fixed in 4.0.0.",
"evidence": "osv:CVE-2026-102826",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-102826",
"aliases": [
"CVE-2026-102826",
"GHSA-g4wm-2vf7-vfgr"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://github.com/steveukx/git-js",
"type": "GIT",
"events": [
{
"introduced": "0"
},
{
"fixed": "0e9ebabd7116c01dfd98c58a5113733769e5028c"
},
{
"fixed": "98864c678444d9336357c844efa4fd5a7984c0d7"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:simple-git_project:simple-git:*:*:*:*:*:node.js:*:*",
"range": [
{
"introduced": "0"
},
{
"fixed": "4.0.0"
}
],
"source": "CPE_RANGE"
},
{
"range": [
{
"fixed": "98864c678444d9336357c844efa4fd5a7984c0d7"
}
],
"source": "REFERENCES_COMMIT"
},
{
"range": [
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"source": "REFERENCES_TAG",
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}
}
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"database_specific": {
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}
}
],
"modified": "2026-10-28T02:30:50.717483266Z",
"provider": "osv",
"references": [
"https://github.com/steveukx/git-js/releases/tag/simple-git@4.0.0",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102826.json",
"https://github.com/steveukx/git-js/security/advisories/GHSA-g4wm-2vf7-vfgr",
"https://nvd.nist.gov/vuln/detail/CVE-2026-102826",
"https://github.com/steveukx/git-js/commit/98864c678444d9336357c844efa4fd5a7984c0d7",
"https://github.com/steveukx/git-js/pull/1193"
],
"provider_metadata": {
"cwe_ids": [
"CWE-77",
"CWE-78"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/102xxx/CVE-2026-102826.json"
}
},
"related_cves": [
{
"value": "CVE-2026-102826",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 519245,
"published_at": "2026-09-29T18:37:10.49+00:00"
}