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CVE-2026-33691 OWASP CRS: Whitespace padding in filenames bypasses file upload extension checks

🗓️ 02 Apr 2026 15:03:52Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 18 Views

CVE-2026-33691: Whitespace padding in filenames bypasses upload extension checks in OWASP CRS; patched in 3.3.9 and 4.25.0.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-33691
2 Apr 202615:03
attackerkb
Tenable Nessus
Amazon Linux 2023 : mod_security_crs (ALAS2023-2026-1562)
13 Apr 202600:00
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-33691
21 Apr 202600:00
nessus
Amazon
Medium: mod_security_crs
13 Apr 202600:00
amazon
Circl
CVE-2026-33691
29 Mar 202617:26
circl
CNNVD
OWASP CRS 安全漏洞
2 Apr 202600:00
cnnvd
CVE
CVE-2026-33691
2 Apr 202615:03
cve
Debian CVE
CVE-2026-33691
2 Apr 202615:03
debiancve
EUVD
EUVD-2026-18352
2 Apr 202615:03
euvd
NVD
CVE-2026-33691
2 Apr 202616:16
nvd
Rows per page
[
  {
    "vendor": "coreruleset",
    "product": "coreruleset",
    "versions": [
      {
        "version": "< 3.3.9",
        "status": "affected"
      },
      {
        "version": ">= 4.0.0-rc1, < 4.25.0",
        "status": "affected"
      }
    ]
  }
]

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