CVE-2026-23996

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

CVE-2026-23996

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

CVE-2026-23996 FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

CVE-2026-23996 FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

CVE-2026-23996

CVE-2026-23996 concerns the FastAPI Api Key library. Version 1.1.0 is reported to expose a timing side-channel in verify_key(), where a random delay is applied only on verification failures. This enables an attacker to statistically distinguish valid from invalid API keys by measuring response la...

CVE-2026-23996 FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

Impact Timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys by measuring response latencies. With enough repeated requests, an adversary could infer whether a...

EUVD-2026-4139

FastAPI Api Key has a timing side-channel in verifykey that allows statistical key validity detection...

Timing Attack

Overview fastapi-api-key is a fastapi-api-key provides secure, production-ready API key management for FastAPI. It offers pluggable hashing strategies Argon2 or bcrypt, backend-agnostic persistence currently SQLAlchemy, and an optional cache layer aiocache. Includes a Typer CLI and a FastAPI rout...

GHSA-95C6-P277-P87G FastAPI Api Key has a timing side-channel in verify_key that allows statistical key validity detection

Impact Timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys by measuring response latencies. With enough repeated requests, an adversary could infer whether a...

USN-7970-1 iperf3 vulnerabilities

Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the server process to stop responding, waiting for input on the control connection. A remote attacker could possibly use this issue to cause a denial of service. This issue was only addressed in...

USN-7970-1: iperf3 vulnerabilities

Jorge Sancho Larraz discovered that iperf3 did not properly manage certain inputs, which could cause the server process to stop responding, waiting for input on the control connection. A remote attacker could possibly use this issue to cause a denial of service. This issue was only addressed in...

EUVD-2026-3287

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

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...

GHSA-43MM-M3H2-3PRC 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...

CVE-2026-23996: Observable Timing Discrepancy

FastAPI Api Key provides a backend-agnostic library that provides an API key system. Version 1.1.0 has a timing side-channel vulnerability in verifykey. The method applied a random delay only on verification failures, allowing an attacker to statistically distinguish valid from invalid API keys b...

FastAPI API Key security vulnerability

The FastAPI API Key is a secure key store developed by Athroniaeth’s individual developers. There is a security vulnerability in the FastAPI API Key version 1.1.0; this vulnerability stems from a timing side channel in the verifykey method, which may allow attackers to infer the validity of the A...

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...