CVE-2026-61503
6.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Summary
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 admin account, facilitating password-guessing and session-forgery attacks.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| rejetto | hfs | 3.0.0 < 3.2.1 | affected |
Weaknesses
- CWE-204: Observable Response Discrepancy
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: yes
- Technical Impact: partial
References
- https://github.com/rejetto/hfs/releases/tag/v3.2.1
- https://www.vulncheck.com/advisories/rejetto-hfs-username-enumeration-via-login-response-differences
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