File Browser Vulnerable to Username Enumeration via Timing Attack in /api/login

Summary The JSONAuth.Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuring the response time of the /api/login endpoint. Details The vulnerability exists due to a "short-circuit" evaluation in the authentication logic. When a username ...

Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack via the JSONAuth.Auth function. An unauthenticated attacker can determine valid usernames by measuring the response time of the /api/login endpoint, exploiting the timing discrepancy between valid and invalid username...

Timing Attack

Overview Affected versions of this package are vulnerable to Timing Attack via the JSONAuth.Auth function. An unauthenticated attacker can determine valid usernames by measuring the response time of the /api/login endpoint, exploiting the timing discrepancy between valid and invalid username...

PT-2026-3874

Name of the Vulnerable Software and Affected Versions FastAPI Api Key versions prior to 1.1.0 Description The verify key function in FastAPI Api Key contains a timing side-channel that allows an attacker to differentiate between valid and invalid API keys by measuring response latencies. The meth...

CVE-2026-23849

File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuri...

MiracleLinux 9 : nss-3.90.0-4.el9_3 (AXSA:2024-7386:01)

The remote MiracleLinux 9 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-7386:01 advisory. nss: timing attack against RSA decryption CVE-2023-5388 Tenable has extracted the preceding description block directly from the MiracleLinux security advisor...

MiracleLinux 8 : nodejs:20 (AXSA:2024-7668:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7668:01 advisory. nodejs: vulnerable to timing variant of the Bleichenbacher attack against PKCS1 v1.5 padding Marvin CVE-2023-46809 nodejs: reading unprocessed HTTP...

MiracleLinux 8 : thunderbird-115.9.0-1.el8_9.ML.1 (AXSA:2024-7670:08)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-7670:08 advisory. nss: timing attack against RSA decryption CVE-2023-5388 Mozilla: Crash in NSS TLS method CVE-2024-0743 Mozilla: Leaking of encrypted email subjects ...

MiracleLinux 8 : libgcrypt-1.8.5-4.el8 (AXSA:2020-1018:01)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2020-1018:01 advisory. libgcrypt: ECDSA timing attack allowing private key leak CVE-2019-13627 Tenable has extracted the preceding description block directly from the MiracleLinux...

MiracleLinux 8 : container-tools:4.0 (AXSA:2024-7516:02)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-7516:02 advisory. runc: file descriptor leak Leaky Vessels CVE-2024-21626 A Asianux Security Bulletin which addresses further details about the Leaky Vessels flaw is...

MiracleLinux 8 : nss-3.90.0-4.el8_9 (AXSA:2024-7398:02)

The remote MiracleLinux 8 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-7398:02 advisory. nss: timing attack against RSA decryption CVE-2023-5388 Tenable has extracted the preceding description block directly from the MiracleLinux security advisor...

MiracleLinux 8 : openssl-1.1.1k-9.el8 (AXSA:2023-5236:03)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5236:03 advisory. openssl: X.400 address type confusion in X.509 GeneralName CVE-2023-0286 openssl: timing attack in RSA Decryption implementation CVE-2022-4304...

MiracleLinux 9 : openssl-3.0.1-47.el9 (AXSA:2023-5192:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-5192:01 advisory. openssl: read buffer overflow in X.509 certificate verification CVE-2022-4203 openssl: timing attack in RSA Decryption implementation CVE-2022-4304...

CVE-2026-23849 File Browser vulnerable to Username Enumeration via Timing Attack in /api/login

File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuri...

CVE-2026-23849 File Browser vulnerable to Username Enumeration via Timing Attack in /api/login

File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuri...

CVE-2026-23849 File Browser vulnerable to Username Enumeration via Timing Attack in /api/login

File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuri...

CVE-2026-23849

File Browser provides a file managing interface within a specified directory and can be used to upload, delete, preview, rename, and edit files. Prior to version 2.55.0, the JSONAuth. Auth function contains a logic flaw that allows unauthenticated attackers to enumerate valid usernames by measuri...

CVE-2026-23849

CVE-2026-23849 – File Browser (github.com/filebrowser/filebrowser) shows a timing-based username enumeration flaw in the /api/login flow. The JSONAuth.Auth logic short-circuits when a user is not found, returning quickly, while a valid user triggers bcrypt password verification (users.CheckPwd) w...

PT-2026-3502

Name of the Vulnerable Software and Affected Versions File Browser versions prior to 2.55.0 Description File Browser provides a file managing interface for tasks like uploading, deleting, and editing files. A flaw in the JSONAuth.Auth function allows unauthenticated attackers to identify valid...

FileBrowser security vulnerability

FileBrowser is a web-based file browser developed by Seagate as open source. It provides a file management interface for specified directories, allowing users to upload, delete, preview, rename, and edit their files. It supports multiple users, with each user having their own directories...