VulnCheck KEV: CVE-2026-4631

Cockpit's remote login feature passes user-supplied hostnames and usernames from the web interface to the SSH client without validation or sanitization. An attacker with network access to the Cockpit web service can craft a single HTTP request to the login endpoint that injects malicious SSH...

CVE-2026-55075 Coder vulnerable to OIDC account takeover via email-based user matching and email_verified bypass

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, two flaws in Coder's OIDC login chained into account takeover. Email-based user matching fell back to linking by email without checking for an existing link...

CVE-2026-55075 Coder vulnerable to OIDC account takeover via email-based user matching and email_verified bypass

Coder allows organizations to provision remote development environments via Terraform. Prior to versions 2.29.7, 2.32.7, 2.33.8, and 2.34.2, two flaws in Coder's OIDC login chained into account takeover. Email-based user matching fell back to linking by email without checking for an existing link...

CVE-2026-49229 Actual: Disabled OpenID users keep access through existing session tokens

Actual is a local-first personal finance app. Prior to 26.6.0, in OpenID multi-user mode, disabling a user only blocks future OpenID login for that identity, while existing Actual session tokens for the disabled user remain valid. The shared session validation path accepts any existing token row...

PYSEC-2026-1679 Moonraker affected by LDAP search filter injection

Impact Instances of Moonraker configured with the ldap component enabled are vulnerable to LDAP search filter injection techniques via the login endpoint. The 401 error response message can be used to determine whether or not a search was successful, allowing for brute force methods to discover...

PYSEC-2026-1363 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...

PYSEC-2026-1948 Open Redirect Vulnerability in Taguette

Summary An Open Redirect vulnerability exists in Taguette that allows attackers to craft malicious URLs that redirect users to arbitrary external websites after authentication. This can be exploited for phishing attacks where victims believe they are interacting with a trusted Taguette instance b...

PYSEC-2026-1335 Fides has a Lack of Brute-Force Protections on Authentication Endpoints

Summary The Fides Admin UI login endpoint relies on a general IP-based rate limit for all API traffic and lacks specific anti-automation controls designed to protect against brute-force attacks. This could allow attackers to conduct credential testing attacks, such as credential stuffing or...

Calibre Web and Autocaliweb have a ReDoS vulnerability

ReDoS in stripwhitespaces function in cps/stringhelper.py in Calibre Web and Autocaliweb allows unauthenticated remote attackers to cause denial of service via specially crafted username parameter that triggers catastrophic backtracking during login. This issue affects Calibre Web: 0.6.24...

GO-2026-5866 Concourse login flow has an open redirect issue in github.com/concourse/concourse

Concourse login flow has an open redirect issue in github.com/concourse/concourse...

PYSEC-2026-1920 GHSL-2024-288: SickChill open redirect in login

SickChill is an automatic video library manager for TV shows. A user-controlled login endpoint's next parameter takes arbitrary content. Prior to commit c7128a8946c3701df95c285810eb75b2de18bf82, an authenticated attacker may use this to redirect the user to arbitrary destinations, leading to open...

PYSEC-2026-1382 Flask-AppBuilder's login form allows browser to cache sensitive fields

Impact Auth DB login form default cache directives allows browser to locally store sensitive data. This can be an issue on environments using shared computer resources. Patches Upgrade flask-appbuilder to version 4.5.1 Workarounds If upgrading is not possible configure your web server to send the...

PYSEC-2026-1669 MobSF vulnerable to Open Redirect in Login Redirect

Impact What kind of vulnerability is it? Who is impacted? An open redirect vulnerability exist in MobSF authentication view. PoC 1. Go to http://127.0.0.1:8000/login/?next=//afine.com in a web browser. 2. Enter credentials and press "Sign In". 3. You will be redirected to afine.com Users who are...

PYSEC-2026-1711 Globus `identity_provider` restriction ignored when used with `allow_all` in JupyterHub 5.0

Impact JupyterHub 5.0, when used with GlobusOAuthenticator, could be configured to allow all users from a particular institution only. The configuration for this would look like: python Require users to be using the "foo.horse" identity provider, often an institution or university...

PYSEC-2026-1817 pyLoad open redirect vulnerability due to improper validation of the is_safe_url function

Summary Open redirect vulnerability due to incorrect validation of input values when redirecting users after login. Details pyload is validating URLs via the getredirecturl function when redirecting users at login. The URL entered in the next variable goes through the issafeurl function, where a...

PYSEC-2026-2003 vantage6 has insecure SSH configuration for node and server containers

Impact Nodes and servers get a ssh config by default that permits root login with password authentication. In a proper deployment, the SSH service is not exposed so there is no risk, but not all deployments are ideal. The default should therefore be less permissive. We will probably opt to...

PYSEC-2026-2008 vantage6 vulnerable to username timing attack

Impact It is possible to find out usernames from the response time of login requests. This could aid attackers in credential attacks Workarounds No...

PYSEC-2026-1451 User accounts disclosed to unauthenticated actors on the LAN

Summary The login page discloses all active user accounts to any unauthenticated browsing request originating on the Local Area Network. Details Starting the Home Assistant 2023.12 release, the login page returns all currently active user accounts to browsing requests from the Local Area Network...

PYSEC-2026-1380 Flask-AppBuilder Has No Rate Limiting on Login AUTH DB

Impact Lack of rate limiting will allow an attacker to brute-force user credentials. Patches Ability to enable rate limiting on Flask-AppBuilder = 4.3.0. Use AUTHRATELIMITED = True and RATELIMITENABLED = True set the limit itself by using AUTHRATELIMIT. Will apply only to database authentication...

PYSEC-2026-835 No protection against brute-force attacks on login page

Impact Previous versions of Kiwi TCMS do not impose rate limits which makes it easier to attempt brute-force attacks against the login page. Patches Users should upgrade to v12.0 or later. Workarounds Users may install and configure a rate-limiting proxy in front of Kiwi TCMS. For example nginx...