CVE-2026-61505

MEDIUM 5.3

Rejetto HFS < 3.2.1 Limited File Disclosure via Path Traversal in lang Parameter

CVSS Score

5.3

EPSS Score

0.5%

EPSS Percentile

36th

Rejetto HFS 3.0.0 through 3.2.0 allows path traversal through the lang query parameter, permitting a remote unauthenticated attacker to read certain JSON files outside the shared folders. Exploitation is constrained to files matching a narrow naming and format pattern, limiting practical impact.

CWE	CWE-22
Vendor	rejetto
Product	hfs
Published	Jul 13, 2026
Last Updated	Jul 14, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

Affected Versions

rejetto / hfs

3.0.0 < 3.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

github.com: https://github.com/rejetto/hfs/releases/tag/v3.2.1 vulncheck.com: https://www.vulncheck.com/advisories/rejetto-hfs-limited-file-disclosure-via-path-traversal-in-lang-parameter

Credits

Zach Hanley (@hacks_zach) of Horizon3.ai, in collaboration with Claude and Anthropic Research