High
Nx daemon and plugin worker sockets are accessible to other local users
Type: advisorySources: OSV
Nx is a monorepo solution for TypeScript and polyglot codebases. From 14.6.0 until 22.7.9 and 23.1.2, Nx creates Unix domain sockets for its daemon and isolated plugin workers in shared temporary locations without owner-only directory and socket permissions. Another unprivileged local account on a shared build server, developer host, or multi-user container can discover and connect to a running socket because the transport performs no authentication and relies on filesystem containment. The daemon's PROCESS_IN_BACKGROUND request accepts a module path and invokes its default export, allowing a caller that controls a file to execute code as the account running Nx; other handlers can expose workspace file contents, project graphs, and task hashes. Disabling the daemon alone does not remove the vulnerable plugin-worker sockets, while single-user machines without another local account are not exposed. This issue is fixed in versions 22.7.9 and 23.1.2.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2026-104854
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 4 Nov 2026, 01:52 UTC · Revision 1
Source evidence
Nx daemon and plugin worker sockets are accessible to other local users
core-osv · Original sourcePublished 2 Oct 2026, 16:59 UTC
Nx is a monorepo solution for TypeScript and polyglot codebases. From 14.6.0 until 22.7.9 and 23.1.2, Nx creates Unix domain sockets for its daemon and isolated plugin workers in shared temporary locations without owner-only directory and socket permissions. Another unprivileged local account on a shared build server, developer host, or multi-user container can discover and connect to a running socket because the transport performs no authentication and relies on filesystem containment. The daemon's PROCESS_IN_BACKGROUND request accepts a module path and invokes its default export, allowing a caller that controls a file to execute code as the account running Nx; other handlers can expose workspace file contents, project graphs, and task hashes. Disabling the daemon alone does not remove the vulnerable plugin-worker sockets, while single-user machines without another local account are not exposed. This issue is fixed in versions 22.7.9 and 23.1.2.
osv:CVE-2026-104854
Complete source record
{
"id": "5c34ddcbf2bf7751578c44a53ac82f06bd816f69977d10a597dca7ff21d75ec3",
"url": "https://osv.dev/vulnerability/CVE-2026-104854",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Nx daemon and plugin worker sockets are accessible to other local users",
"summary": "Nx is a monorepo solution for TypeScript and polyglot codebases. From 14.6.0 until 22.7.9 and 23.1.2, Nx creates Unix domain sockets for its daemon and isolated plugin workers in shared temporary locations without owner-only directory and socket permissions. Another unprivileged local account on a shared build server, developer host, or multi-user container can discover and connect to a running socket because the transport performs no authentication and relies on filesystem containment. The daemon's PROCESS_IN_BACKGROUND request accepts a module path and invokes its default export, allowing a caller that controls a file to execute code as the account running Nx; other handlers can expose workspace file contents, project graphs, and task hashes. Disabling the daemon alone does not remove the vulnerable plugin-worker sockets, while single-user machines without another local account are not exposed. This issue is fixed in versions 22.7.9 and 23.1.2.",
"evidence": "osv:CVE-2026-104854",
"products": [],
"severity": "high",
"structured": {
"id": "CVE-2026-104854",
"aliases": [
"CVE-2026-104854",
"GHSA-w3vv-58gj-gw77"
],
"metrics": [
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"
}
],
"affected": [
{
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"repo": "https://github.com/nrwl/nx",
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"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-104854.json"
}
}
],
"modified": "2026-10-28T02:30:32.625901695Z",
"provider": "osv",
"references": [
"https://github.com/nrwl/nx/releases/tag/22.7.9",
"https://github.com/nrwl/nx/releases/tag/23.1.2",
"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104854.json",
"https://github.com/nrwl/nx/security/advisories/GHSA-w3vv-58gj-gw77",
"https://nvd.nist.gov/vuln/detail/CVE-2026-104854",
"https://github.com/nrwl/nx/commit/3298fd8b2dd066167eb3cc0410643994a59b0bba",
"https://github.com/nrwl/nx/commit/63e1abb287a3d69f8ba981828a1de325d0d3dc68",
"https://github.com/nrwl/nx/commit/71c2253b6aac23b008e192c4e2642c42a5e07545",
"https://github.com/nrwl/nx/pull/36370"
],
"provider_metadata": {
"cwe_ids": [
"CWE-269",
"CWE-732"
],
"cna_assigner": "GitHub_M",
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104854.json"
}
},
"related_cves": [
{
"value": "CVE-2026-104854",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 499502,
"published_at": "2026-10-02T16:59:48.238+00:00"
}