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CVE-2026-54611 InstantCMS has Remote Code Execution in package installer

🗓️ 08 Sep 2026 17:16:08Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 30 Views

Authenticated RCE in InstantCMS before 2.18.2 via component installer .htaccess upload.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
cve
CVE
CVE-2026-54611
8 Sep 202617:16
–cve
euvd
EUVD
EUVD-2026-73561
8 Sep 202617:16
–euvd
nvd
NVD
CVE-2026-54611
8 Sep 202618:17
–nvd
ptsecurity
Positive Technologies
PT-2026-87192
8 Sep 202600:00
–ptsecurity
rapid7
Rapid7 Vulnerability Database (full)
CVE-2026-54611: Improper Control of Generation of Code
8 Sep 202600:00
–rapid7
vulnrichment
Vulnrichment
CVE-2026-54611 InstantCMS has Remote Code Execution in package installer
8 Sep 202617:16
–vulnrichment
[
  {
    "vendor": "instantsoft",
    "product": "icms2",
    "versions": [
      {
        "version": "< 2.18.2",
        "status": "affected"
      }
    ]
  }
]

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