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CVE-2026-34720

🗓️ 08 Apr 2026 18:11:23Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 1 Views

Zammad SSO origin validation flaw prior to 7.0.1 and 6.5.4; headers not verified from trusted proxy.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
CNNVD
Zammad 访问控制错误漏洞
8 Apr 202600:00
cnnvd
Cvelist
CVE-2026-34720 Zammad has an origin validation error in SSO mechanism
8 Apr 202618:11
cvelist
EUVD
EUVD-2026-20560
8 Apr 202618:11
euvd
NVD
CVE-2026-34720
8 Apr 202619:25
nvd
Positive Technologies
PT-2026-31417
8 Apr 202600:00
ptsecurity
RedhatCVE
CVE-2026-34720
9 Apr 202619:23
redhatcve
Vulnrichment
CVE-2026-34720 Zammad has an origin validation error in SSO mechanism
8 Apr 202618:11
vulnrichment
NVD
Vulners
Node
zammadzammadRange<6.5.4
OR
zammadzammadMatch7.0.0
[
  {
    "vendor": "zammad",
    "product": "zammad",
    "versions": [
      {
        "version": "< 6.5.4",
        "status": "affected"
      },
      {
        "version": ">= 7.0.0-alpha, < 7.0.1",
        "status": "affected"
      }
    ]
  }
]

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17 Apr 2026 15:25Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
CVSS 42.3
EPSS0.00019
SSVC
1