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CVE-2026-86000 Soup Sieve: Polynomial-time ReDoS (O(n²)) in the `IDENTIFIER` / `VALUE` selector sub-patterns

🗓️ 17 Sep 2026 15:21:57Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Polynomial-time ReDoS in Soup Sieve before 2.9 via crafted selector matching css_parser.py.

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Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-86000
17 Sep 202615:21
cve
euvd
EUVD
EUVD-2026-81689
17 Sep 202615:21
euvd
nvd
NVD
CVE-2026-86000
17 Sep 202616:18
nvd
redhatcve
RedhatCVE
CVE-2026-86000
17 Sep 202616:25
redhatcve
vulnrichment
Vulnrichment
CVE-2026-86000 Soup Sieve: Polynomial-time ReDoS (O(n²)) in the `IDENTIFIER` / `VALUE` selector sub-patterns
17 Sep 202615:21
vulnrichment
[
  {
    "vendor": "facelessuser",
    "product": "soupsieve",
    "versions": [
      {
        "version": "< 2.9",
        "status": "affected"
      }
    ]
  }
]

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