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CVE-2026-109399

🗓️ 12 Oct 2026 15:16:44Reported by VulnCheckType 
cve
 cve
🔗 web.nvd.nist.gov👁 25 Views

CMS Signature Verification Bypass in SWUpdate allows installation of malicious updates.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2026-109399
12 Oct 202615:38
–circl
cnnvd
CNNVD
SBABIC SWUpdate encryption vulnerability
11 Oct 202616:00
–cnnvd
cvelist
Cvelist
CVE-2026-109399 SWUpdate through 2026.05.1 CMS Signature Verification Bypass via Embedded Intermediates
12 Oct 202615:16
–cvelist
debian
Debian
[SECURITY] [DLA 4864-1] swupdate security update
27 Oct 202600:21
–debian
debiancve
Debian CVE
CVE-2026-109399
12 Oct 202615:16
–debiancve
nessus
Tenable Nessus
Debian dla-4864 : libswupdate-dev - security update
27 Oct 202600:00
–nessus
nessus
Tenable Nessus
Linux Distros Unpatched Vulnerability : CVE-2026-109399
21 Oct 202600:00
–nessus
euvd
EUVD
EUVD-2026-97496
12 Oct 202615:16
–euvd
mend
Mend
CVE-2026-109399
12 Oct 202615:16
–mend
nvd
NVD
CVE-2026-109399
12 Oct 202616:17
–nvd
Rows per page
Vulners
CNA
Node
swupdateswupdateRange≤2026.05.1
[
  {
    "vendor": "sbabic",
    "product": "swupdate",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "version": "0",
        "lessThanOrEqual": "2026.05.1",
        "status": "affected",
        "versionType": "custom"
      }
    ],
    "packageURL": "pkg:github/sbabic/swupdate",
    "repo": "https://github.com/sbabic/swupdate"
  }
]

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18 Oct 2026 12:17Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.18.1
CVSS 49.2
EPSS0.00207
SSVC
25