Lucene search
+L

CVE-2026-85999 Soup Sieve: Polynomial-time ReDoS (O(n²)) in the whitespace/comment trimming regex `RE_WS_END` (triggers on VALID selectors)

🗓️ 17 Sep 2026 15:23:37Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 42 Views

Polynomial ReDoS in Soup Sieve up to 2.9 via user-controlled RE_WS_END regex.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cgr
Chainguard
CVE-2026-85999 vulnerabilities
19 Sep 202602:54
–cgr
circl
Circl
CVE-2026-85999
17 Sep 202622:35
–circl
cve
CVE
CVE-2026-85999
17 Sep 202615:23
–cve
debiancve
Debian CVE
CVE-2026-85999
17 Sep 202615:23
–debiancve
euvd
EUVD
EUVD-2026-81690
17 Sep 202615:23
–euvd
github
Github Security Blog
Soup Sieve: Polynomial-time ReDoS (O(n²)) in the whitespace/comment trimming regex `RE_WS_END` (triggers on VALID selectors)
17 Sep 202620:32
–github
mend
Mend
CVE-2026-85999
17 Sep 202615:23
–mend
nvd
NVD
CVE-2026-85999
17 Sep 202616:18
–nvd
osv
OSV
AZL-103322 CVE-2026-85999 affecting package python-soupsieve 2.6-3
17 Sep 202616:18
–osv
osv
OSV
CGA-2GX4-J526-R73P
18 Sep 202613:38
–osv
Rows per page
[
  {
    "vendor": "facelessuser",
    "product": "soupsieve",
    "versions": [
      {
        "version": "< 2.9",
        "status": "affected"
      }
    ]
  }
]

Data

Build on a solid foundation with Vulners data

We provide the essential building blocks for cybersecurity solutions with comprehensive, structured, and constantly updated vulnerability and exploits data

Api

Power your application with Vulners API

The Vulners REST API offers reliable, high-performance access to vulnerability intelligence, with 99.9% SLA uptime and CDN-backed data delivery for seamless global access

App

Assess and manage vulnerabilities with Vulners tools

Built on top of Vulners' database and SDK, end-user solutions give security professionals and developers lightweight and powerful tools for vulnerability remediation

17 Sep 2026 15:23Current
CVSS 3.15.3
EPSS0.00609
SSVC
42