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CVE-2026-61501

Rejetto HFS < 3.2.1 Stored XSS in Admin Log Viewer

CVSS 4.0 5.3 MEDIUMCVSS 3.1 6.1 MEDIUMCheck source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-61501

Published

Rejetto HFS 3.0.0 through 3.2.0 renders log entries in the administration panel as HTML without sanitization. A remote unauthenticated attacker can submit a failed login with a crafted username that is written to the error log and executes JavaScript in an administrator's browser when the logs are viewed, allowing the attacker to create accounts or execute code on the server with the administrator's privileges.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-61501

Published

hfs

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "affected",
                    "packageURL": "pkg:github/rejetto/hfs",
                    "vendor": "rejetto",
                    "product": "hfs",
                    "repo": "https://github.com/rejetto/hfs",
                    "versions": [
                        {
                            "status": "affected",
                            "version": "3.0.0",
                            "versionType": "semver",
                            "lessThan": "3.2.1"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON