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CVE-2026-44881

🗓️ 28 May 2026 21:11:32Reported by GitHub_MType 
cve
 cve
🔗 web.nvd.nist.gov👁 123 Views🌐 WEB

Portainer: authenticated users can read arbitrary files via symlink injection when updating Git-backed stacks.

Related
Detection
Affected
Refs
Paths
NVD
Vulners
Node
OR
portainerportainerRange2.33.0–2.33.8community
portainerportainerRange2.34.0–2.39.2community
portainerportainerMatch2.40.0community
[
  {
    "vendor": "portainer",
    "product": "portainer",
    "versions": [
      {
        "version": ">= 2.33.0, < 2.33.8",
        "status": "affected"
      },
      {
        "version": ">= 2.39.0, < 2.39.2",
        "status": "affected"
      },
      {
        "version": ">= 2.40.0, < 2.41.0",
        "status": "affected"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
{id}path/api/stacks/{id}/filePortainer's GET /api/stacks/{id}/file endpoint reads the stack entry point. If the repository contains a symlink (e.g., docker-compose.yml) pointing to an arbitrary filesystem path, the endpoint returns the contents of that target file due to the application following OS symlinks without validation.CWE-200, CWE-59

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21 Jul 2026 10:10Current
7.6High risk
Vulners AI Score7.6
CVSS 3.19.9
CVSS 48.5
EPSS0.0051
SSVC
123