{
"id": "GHSA-w4pp-8pjf-rmxw",
"aliases": [
"CVE-2026-9496"
],
"details": "Versions of the package pacote from 11.2.7 are vulnerable to Denial of Service (DoS) via the addGitSha function. An attacker can exploit this vulnerability by supplying a specially crafted spec.rawSpec value that triggers the function’s regex replacement and string-manipulation logic, causing excessive CPU consumption and potentially stalling or crashing the process.",
"summary": "pacote is vulnerable to Denial of Service (DoS) via the addGitSha function",
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "11.2.7"
},
{
"fixed": "21.5.1"
}
]
}
],
"package": {
"name": "pacote",
"ecosystem": "npm"
}
}
],
"modified": "2026-08-27T16:39:41Z",
"severity": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
},
{
"type": "CVSS_V4",
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P"
}
],
"published": "2026-05-26T13:30:54Z",
"references": [
{
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9496",
"type": "ADVISORY"
},
{
"url": "https://github.com/npm/pacote/commit/627a7dc1a214d857472a13b48e42559c75288c9e",
"type": "WEB"
},
{
"url": "https://github.com/npm/pacote/commit/ce804fb1647fe1699b2f87efd01ea9f4efed8508",
"type": "WEB"
},
{
"url": "https://github.com/npm/pacote",
"type": "PACKAGE"
},
{
"url": "https://github.com/npm/pacote/blob/9d7459440826ab4cf962ef98d8f3fd0c4d464b5c/lib/util/add-git-sha.js%23L2C1-L13C2",
"type": "WEB"
},
{
"url": "https://github.com/npm/pacote/releases/tag/v21.5.1",
"type": "WEB"
},
{
"url": "https://github.com/npm/pacote/releases/tag/v22.0.0",
"type": "WEB"
},
{
"url": "https://security.snyk.io/vuln/SNYK-JAVA-ORGWEBJARSNPM-16874025",
"type": "WEB"
},
{
"url": "https://security.snyk.io/vuln/SNYK-JS-PACOTE-8225084",
"type": "WEB"
}
],
"schema_version": "1.4.0",
"database_specific": {
"cwe_ids": [
"CWE-1333",
"CWE-400"
],
"severity": "HIGH",
"github_reviewed": true,
"nvd_published_at": "2026-05-26T07:16:19Z",
"github_reviewed_at": "2026-08-27T16:39:41Z"
}
}