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CVE-2026-26067 October: Safe Mode Bypass via CSS Preprocessor Compilers

🗓️ 21 Apr 2026 16:16:03Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 24 Views

Editor users could read arbitrary server files via CSS preprocessor imports, bypassing safe mode; fixed in 3.7.14 and 4.1.10.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-26067
21 Apr 202616:16
attackerkb
CNNVD
October 安全漏洞
21 Apr 202600:00
cnnvd
CVE
CVE-2026-26067
21 Apr 202616:16
cve
EUVD
EUVD-2026-24153
21 Apr 202616:43
euvd
Github Security Blog
October CMS has Safe Mode Bypass via CSS Preprocessor Compilers
21 Apr 202616:43
github
NVD
CVE-2026-26067
21 Apr 202617:16
nvd
OSV
GHSA-3888-Q23F-X7QH October CMS has Safe Mode Bypass via CSS Preprocessor Compilers
21 Apr 202616:43
osv
Positive Technologies
PT-2026-34002
21 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-26067
5 Jun 202619:25
redhatcve
Snyk
Incorrect Authorization
21 Apr 202618:31
snyk
Rows per page
[
  {
    "vendor": "octobercms",
    "product": "october",
    "versions": [
      {
        "version": ">= 4.0.0, < 4.1.10",
        "status": "affected"
      },
      {
        "version": "< 3.7.14",
        "status": "affected"
      }
    ]
  }
]

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