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CVE-2025-12999

🗓️ 21 Sep 2026 08:59:00Reported by eclipseType 
cvelist
 cvelist
🔗 www.cve.org👁 39 Views

Unauthenticated cache poisoning in Open VSX via X-Forwarded-Host enables malicious VSIX delivery.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
circl
Circl
CVE-2025-12999
21 Sep 202609:50
circl
cve
CVE
CVE-2025-12999
21 Sep 202608:59
cve
euvd
EUVD
EUVD-2025-210973
21 Sep 202608:59
euvd
nvd
NVD
CVE-2025-12999
21 Sep 202609:17
nvd
rapid7
Rapid7 Vulnerability Database (full)
CVE-2025-12999: Undefined Security Weakness
21 Sep 202600:00
rapid7
vulnrichment
Vulnrichment
CVE-2025-12999
21 Sep 202608:59
vulnrichment
[
  {
    "vendor": "Eclipse Foundation",
    "product": "Eclipse Open VSX",
    "versions": [
      {
        "status": "affected",
        "version": "0.6.0",
        "lessThanOrEqual": "1.1.2",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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21 Sep 2026 08:59Current
CVSS 49.1
EPSS0.00405
SSVC
39