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CVE-2026-3089

🗓️ 09 Mar 2026 14:08:55Reported by Fluid AttacksType 
cve
 cve
🔗 web.nvd.nist.gov👁 78 Views🌐 WEB

CVE-2026-3089: Path traversal in Actual Sync Server prior to 26.3.0 enables writing outside userFiles via upload.

Related
Detection
Affected
Refs
Paths
ReporterTitlePublishedViews
Family
attackerkb
attackerkb
CVE-2026-3089
9 Mar 202614:08
–attackerkb
cnnvd
CNNVD
actual security vulnerabilities
9 Mar 202600:00
–cnnvd
cvelist
Cvelist
CVE-2026-3089 Actual Sync Server 26.2.1 - Authenticated Path Traversal
9 Mar 202614:08
–cvelist
euvd
EUVD
EUVD-2026-10340
10 Mar 202601:02
–euvd
euvd
EUVD
EUVD-2026-10341
10 Mar 202601:02
–euvd
github
Github Security Blog
Actual Sync Server has an Authenticated Path Traversal
10 Mar 202601:02
–github
gitlab
GitLab Advisory Database
Actual Sync Server has an Authenticated Path Traversal
10 Mar 202600:00
–gitlab
mend
Mend
CVE-2026-3089
9 Mar 202614:08
–mend
nvd
NVD
CVE-2026-3089
9 Mar 202614:16
–nvd
osv_ghsa
osv_ghsa
GHSA-27VG-33GH-4HWG Actual Sync Server has an Authenticated Path Traversal
10 Mar 202601:02
–osv_ghsa
Rows per page
NVD
CNA
Node
actualbudgetactualRange<26.3.0node.js
[
  {
    "collectionURL": "https://registry.npmjs.org",
    "defaultStatus": "unaffected",
    "packageName": "@actual-app/sync-server",
    "platforms": [
      "Windows",
      "MacOS",
      "Linux"
    ],
    "product": "Actual Sync Server",
    "vendor": "Actual",
    "versions": [
      {
        "status": "affected",
        "version": "26.2.1"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
x-actual-file-idheader/sync/upload-user-fileImproper validation of the x-actual-file-id header allows for path traversal, enabling users to write files outside the intended directory.CWE-22

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17 Jun 2026 10:43Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.16.5
CVSS 45.3
EPSS0.00392
SSVC
78