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...

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...

EUVD-2026-4139

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

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...

Cross-Site Request Forgery (CSRF)

fastapiusers is vulnerable to Cross-Site Request Forgery CSRF. The vulnerability is due to stateless and predictable OAuth state tokens with no session binding or per-request entropy, which allows an attacker to initiate an OAuth flow, reuse a valid state token, and trick a victim into completing...

aad-fastapi-dl37 (>=1.0.0 <=1.0.2), agentiq (>=1.2.0a20250730 <=1.2.0rc4) +214 more potentially affected by CVE-2025-68158 via authlib (>=1.0.0 <=1.6.5)

authlib PYPI version =1.0.0, =1.0.0, =1.2.0a20250730, =1.1.0, =1.2.0a20250730, =0.4.0, =0.1.0, =0.1.0a1, =1.2.0, =1.2.0a20250730, =1.2.0a20250730, =1.2.0a20250730, =1.2.0, =1.2.0a20250730, =1.2.0a20250730, =1.2.0a20250730, =1.2.0rc4 and more Source cves: CVE-2025-68158 Source advisory:...

PT-2026-25819

Name of the Vulnerable Software and Affected Versions Glances versions prior to 4.5.2 Description Glances, a system cross-platform monitoring tool, had insufficient host validation in its main REST/WebUI FastAPI application prior to version 4.5.2. This allowed the REST API, WebUI, and token...

CVE-2025-68481

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

CVE-2025-68481

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

balify (=0.0.2), cognee (>=0.1.15 <=0.5.2.dev0) +44 more potentially affected by CVE-2025-68481 via fastapi-users (>=10.2.1 <=14.0.2)

fastapi-users PYPI version =10.2.1, =0.1.15, =0.1.2, =0.2.0, =0.1.0, =0.1.0, =0.1.0, =0.2.0, =0.2.1 - cognee-community-vector-adapter-redis =0.1.0 - cognee-community-vector-adapter-valkey =0.1.1 - cognee-community-vector-adapter-weaviate =0.1.0 and more Source cves: CVE-2025-68481 Source advisory...

GHSA-5J53-63W8-8625 FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

Description The OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flow. generatestatetoken is always called with an empty statedata dict, so the resulting JWT only contains the fixed audience...

Cross-site Request Forgery (CSRF)

Overview fastapi-users is a Ready-to-use and customizable users management for FastAPI Affected versions of this package are vulnerable to Cross-site Request Forgery CSRF via the generatestatetoken function, which is called with an empty statedata dict, so the resulting JWT contains only the fixe...

CVE-2025-68481 FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

CVE-2025-68481 FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

CVE-2025-68481

CVE-2025-68481 affects FastAPI Users. Before 15.0.2, OAuth state tokens are generated with an empty state_data, making the JWT contain only a fixed audience and expiry. The callback checks the state JWT but does not tie it to the user session, lacks a correlation cookie or server-side cache, and ...

EUVD-2025-204614

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

CVE-2025-68481 FastAPI Users Vulnerable to 1-click Account Takeover in Apps Using FastAPI SSO

FastAPI Users allows users to quickly add a registration and authentication system to their FastAPI project. Prior to version 15.0.2, the OAuth login state tokens are completely stateless and carry no per-request entropy or any data that could link them to the session that initiated the OAuth flo...

EUVD-2025-204438

FastAPI SSP is vulnerable to Cross-site Request Forgery CSRF through improper OAuth parameter validation...

GHSA-HP6R-R9VC-Q8WX FastAPI SSP is vulnerable to Cross-site Request Forgery (CSRF) through improper OAuth parameter validation

Versions of the package fastapi-sso before 0.19.0 are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state parameter during the authentication callback. While the getloginurl method allows for state generation, it does not persist the state or bind it to...

FastAPI SSP is vulnerable to Cross-site Request Forgery (CSRF) through improper OAuth parameter validation

Versions of the package fastapi-sso before 0.19.0 are vulnerable to Cross-site Request Forgery CSRF due to the improper validation of the OAuth state parameter during the authentication callback. While the getloginurl method allows for state generation, it does not persist the state or bind it to...