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CVE-2026-21861

🗓️ 31 Mar 2026 00:43:58Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 23 Views

Authenticated admin can execute OS commands via core update input, causing RCE; patch 5.2.3.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-21861
31 Mar 202600:43
attackerkb
circl
Circl
CVE-2026-21861
30 Mar 202623:04
circl
cnnvd
CNNVD
baserCMS 安全漏洞
31 Mar 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-21861 baserCMS: OS Command Injection Leading to Remote Code Execution (RCE)
31 Mar 202600:43
cvelist
euvd
EUVD
EUVD-2026-17255
31 Mar 202622:27
euvd
github
Github Security Blog
baserCMS has OS Command Injection Leading to Remote Code Execution (RCE)
31 Mar 202622:27
github
nvd
NVD
CVE-2026-21861
31 Mar 202601:16
nvd
osv
OSV
GHSA-QXMC-6F24-G86G baserCMS has OS Command Injection Leading to Remote Code Execution (RCE)
31 Mar 202622:27
osv
ptsecurity
Positive Technologies
PT-2026-29146
31 Mar 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-21861
1 Apr 202605:00
redhatcve
Rows per page
NVD
Vulners
Node
basercmsbasercmsRange<5.2.3
[
  {
    "vendor": "baserproject",
    "product": "basercms",
    "versions": [
      {
        "version": "< 5.2.3",
        "status": "affected"
      }
    ]
  }
]

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17 Jun 2026 10:19Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.2 - 9.1
EPSS0.02282
SSVC
23