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[GHSA-3ppc-4f35-3m26] minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern #7012

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[GHSA-3ppc-4f35-3m26] minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern #7012

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139 changes: 138 additions & 1 deletion advisories/github-reviewed/2026/02/GHSA-3ppc-4f35-3m26/GHSA-3ppc-4f35-3m26.json
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Original file line number Diff line number Diff line change
@@ -1,7 +1,7 @@
{
"schema_version": "1.4.0",
"id": "GHSA-3ppc-4f35-3m26",
"modified": "2026-02-20T16:52:14Z",
"modified": "2026-02-20T16:52:16Z",
"published": "2026-02-18T22:38:11Z",
"aliases": [
"CVE-2026-26996"
Expand Down Expand Up @@ -33,6 +33,139 @@
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "9.0.6"
}
]
Comment on lines +36 to +52
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Copilot AI Feb 23, 2026

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The newly added affected entries all use {"introduced": "0"} with different fixed versions. In OSV semantics these ranges are unioned, which will incorrectly mark versions that are actually fixed via backports (e.g., 9.0.6, 8.0.5, etc.) as still vulnerable because they are < 10.2.1. To represent backported fixes across major release lines, each entry should start at the relevant major (or branch) introduction point (e.g., introduced: 10.0.0 -> fixed: 10.2.1, introduced: 9.0.0 -> fixed: 9.0.6, …, and likely introduced: 0 -> fixed: 3.1.3 for v0–v3).

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}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "8.0.5"
}
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "7.4.7"
}
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "6.2.1"
}
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "5.1.7"
}
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "4.2.4"
}
]
}
]
},
{
"package": {
"ecosystem": "npm",
"name": "minimatch"
},
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "3.1.3"
}
]
}
]
}
],
"references": [
Expand All @@ -44,6 +177,10 @@
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26996"
},
{
"type": "WEB",
"url": "https://github.com/isaacs/minimatch/issues/275#issuecomment-3941233132"
},
{
"type": "WEB",
"url": "https://github.com/isaacs/minimatch/commit/2e111f3a79abc00fa73110195de2c0f2351904f5"
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