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CVE-2026-26991

🗓️ 20 Feb 2026 02:21:31Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 27 Views🌐 WEB

Stored XSS in LibreNMS device group names below version 26.2.0 via unsanitized group names.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB
CVE-2026-26991
20 Feb 202602:21
attackerkb
circl
Circl
CVE-2026-26991
17 Feb 202600:35
circl
cnnvd
CNNVD
LibreNMS 跨站脚本漏洞
20 Feb 202600:00
cnnvd
cvelist
Cvelist
CVE-2026-26991 LibreNMS vulnerable to Stored Cross-site Scripting through unsanitized /device-groups name
20 Feb 202602:21
cvelist
github
Github Security Blog
LibreNMS /device-groups name Stored Cross-Site Scripting
18 Feb 202622:07
github
nvd
NVD
CVE-2026-26991
20 Feb 202603:15
nvd
osv
OSV
GHSA-5PQF-54QP-32WX LibreNMS /device-groups name Stored Cross-Site Scripting
18 Feb 202622:07
osv
ptsecurity
Positive Technologies
PT-2026-20788
18 Feb 202600:00
ptsecurity
redhatcve
RedhatCVE
CVE-2026-26991
21 Feb 202607:26
redhatcve
snyk
Snyk
Cross-site Scripting (XSS)
18 Feb 202622:07
snyk
Rows per page
NVD
Vulners
Node
librenmslibrenmsRange<26.2.0
[
  {
    "vendor": "librenms",
    "product": "librenms",
    "versions": [
      {
        "version": "< 26.2.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
namerequest body/device-groupsStored XSS via unsanitized device group name when creating a device group (POST /device-groups).CWE-79

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17 Jun 2026 10:26Current
5.5Medium risk
Vulners AI Score5.5
CVSS 3.14.8
CVSS 45.1
EPSS0.00216
SSVC
27