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CVE-2026-34578 OPNsense has an LDAP Injection via Unsanitized Username in Authentication

🗓️ 09 Apr 2026 14:34:20Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 14 Views

OPNsense LDAP authentication allows username filter injection to reveal users and bypass group restrictions prior to 26.1.6.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-34578
9 Apr 202614:34
attackerkb
Circl
CVE-2026-34578
9 Apr 202616:59
circl
CNNVD
Deciso OPNsense 安全漏洞
9 Apr 202600:00
cnnvd
CVE
CVE-2026-34578
9 Apr 202614:34
cve
EUVD
EUVD-2026-20896
9 Apr 202614:34
euvd
NVD
CVE-2026-34578
9 Apr 202615:16
nvd
Positive Technologies
PT-2026-31619
9 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-34578
5 Jun 202619:22
redhatcve
Vulnrichment
CVE-2026-34578 OPNsense has an LDAP Injection via Unsanitized Username in Authentication
9 Apr 202614:34
vulnrichment
[
  {
    "vendor": "opnsense",
    "product": "core",
    "versions": [
      {
        "version": "< 26.1.6",
        "status": "affected"
      }
    ]
  }
]

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