CVE-2026-61502: Rejetto HFS < 3.2.1 Cross-Site Request Forgery via GET Requests

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-07-13 · updated 2026-10-24
Weakness: CWE-352

Description

Rejetto HFS 3.0.0 through 3.2.0 accepts state-changing API requests via the GET method and exempts GET requests from its anti-CSRF header check. A remote attacker can perform administrative actions including account creation and configuration changes leading to code execution - by causing a logged-in administrator's browser to navigate to a crafted URL, or without any credentials against default installations when the attack originates from the server's own machine.

Affected products

rejetto hfs: from 3.0.0 before 3.2.1 — fixed in 3.2.1

How to fix

Upgrade to a fixed version: rejetto hfs 3.2.1. Check the vendor advisory for mitigations.

References

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