CVE-2026-61503

CVE-2026-61503 – Rejetto HFS : Affects HFS 3.0.0–3.2.0. The login endpoint returns observably different responses depending on whether the username exists, enabling remote, unauthenticated actors to confirm valid accounts (including the default admin) and facilitating password guessing and sessio...

CVE-2026-61503 Rejetto HFS < 3.2.1 Username Enumeration via Login Response Differences

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...

CVE-2026-61503

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...

CVE-2026-61503 Rejetto HFS < 3.2.1 Username Enumeration via Login Response Differences

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...

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

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...

CVE-2026-61502

CVE-2026-61502 affects Rejetto HFS versions 3.0.0 through 3.2.0. The root cause is that state-changing API requests can be issued via GET and are exempt from the anti-CSRF header check, enabling a remote attacker to perform administrative actions (e.g., account creation, configuration changes) an...

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

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...

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

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...

CVE-2026-61502

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...

CVE-2026-61501 Rejetto HFS < 3.2.1 Stored XSS in Admin Log Viewer

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 ar...

CVE-2026-61501 Rejetto HFS < 3.2.1 Stored XSS in Admin Log Viewer

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 ar...

CVE-2026-61500

Rejetto HFS versions 3.0.0 through 3.2.0 are vulnerable to an unauthenticated session-forgery attack. The root cause is the use of a non-cryptographic Math.random() generator to derive the session-cookie signing key, while simultaneously disclosing generator outputs to unauthenticated clients dur...

CVE-2026-61500 Rejetto HFS < 3.2.1 Session Forgery via Predictable Signing Key

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...

CVE-2026-61500 Rejetto HFS < 3.2.1 Session Forgery via Predictable Signing Key

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...

CVE-2026-61502: Cross-Site Request Forgery (CSRF)

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...

CVE-2026-61501: Improper Neutralization of Input During Web Page Generation

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 ar...

CVE-2026-61504: Improper Neutralization of Input During Web Page Generation

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...

CVE-2026-61505: Improper Limitation of a Pathname to a Restricted Directory

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...

CVE-2026-61503: Observable Response Discrepancy

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...

CVE-2026-61500: Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Rejetto HFS 3.0.0 through 3.2.0 derives its session-cookie signing key from the non-cryptographic Math.random generator and discloses outputs of the same generator to unauthenticated clients during login. A remote attacker can collect a small number of login responses, reconstruct the generator's...