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CVE-2026-61503 Rejetto HFS < 3.2.1 Username Enumeration via Login Response Differences

🗓️ 13 Jul 2026 17:23:20Reported by VulnCheckType 
cvelist
 cvelist
🔗 www.cve.org👁 9 Views

Rejetto HFS 3.0.0 through 3.2.0 returns observably different responses from its login endpoint depending on whether the submitted username exists. A remote unauthenticated attacker can use this to confirm valid account names, including the default...

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-61503
13 Jul 202617:23
attackerkb
CVE
CVE-2026-61503
13 Jul 202617:23
cve
EUVD
EUVD-2026-43509
13 Jul 202617:23
euvd
NVD
CVE-2026-61503
13 Jul 202618:16
nvd
Positive Technologies
PT-2026-57844
13 Jul 202600:00
ptsecurity
[
  {
    "defaultStatus": "affected",
    "vendor": "rejetto",
    "product": "hfs",
    "repo": "https://github.com/rejetto/hfs",
    "versions": [
      {
        "status": "affected",
        "version": "3.0.0",
        "versionType": "semver",
        "lessThan": "3.2.1"
      }
    ]
  }
]

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13 Jul 2026 17:23Current
CVSS 3.15.3
CVSS 46.9
9