Medium severity5.4NVD Advisory· Published Jul 13, 2026· Updated Jul 14, 2026

CVE-2026-61504

Description

Rejetto HFS 3.0.0 through 3.2.0 does not escape file names in its fallback "basic" web listing, and this listing can be forced by any browser via the ?get=basic parameter. A user with upload permission - or an anonymous user on servers with an open upload folder - can store a file whose name contains script that executes in the browser of anyone viewing the listing.

Affected products

Rejetto/HFSllm-fuzzy
Range: 3.0.0 - 3.2.0

Patches

Vulnerability mechanics

References

News mentions

No linked articles in our index yet.

Severity

MediumCVSS v3.1

5.4/ 10

CVSS v45.1

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack vector: Network
Complexity: Low
Privileges: Low
User interaction: Required
Scope: Changed
Confidentiality: Low
Integrity: Low
Availability: None

Vector

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

EPSS

Probability of exploitation in the next 30 days.

0.24%

VYPR risk score

Composite of severity, exploitation, and reach.

0.35medium

cvss	0.351
epss	0.000
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVE ID

CVE-2026-61504

Credits

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