vantage6 vulnerable to a username timing attack on recover password/MFA token

ImpactMuch like https://github.com/vantage6/vantage6/security/advisories/GHSA-45gq-q4xh-cp53, it is possible to find which usernames exist in vantage6 by calling the API routes /recover/lost and /2fa/lost, which send emails to users if they have lost their password or MFA token. Usernames can be...

Flask-AppBuilder's OAuth login page subject to Cross Site Scripting (XSS)

ImpactA Cross-Site Scripting XSS vulnerability has been discovered on the OAuth login page. An attacker could trick a user to follow a specially crafted URL to the OAuth login page. This URL could inject and execute malicious javascript code that would get executed on the user's browser.Impacted...

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...

pyLoad open redirect vulnerability due to improper validation of the is_safe_url function

SummaryOpen redirect vulnerability due to incorrect validation of input values when redirecting users after login. Detailspyload 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 lac...

vantage6 has insecure SSH configuration for node and server containers

ImpactNodes 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 complete...

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-2026-2003 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...

User accounts disclosed to unauthenticated actors on the LAN

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

PYSEC-2026-1451 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...

Flask-AppBuilder Has No Rate Limiting on Login AUTH DB

ImpactLack of rate limiting will allow an attacker to brute-force user credentials. PatchesAbility 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-2026-1380 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...

No protection against brute-force attacks on login page

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

PYSEC-2026-809 Flask-Security vulnerable to Open Redirect

This affects all versions of package Flask-Security. When using the getpostlogoutredirect and getpostloginredirect functions, it is possible to bypass URL validation and redirect a user to an arbitrary URL by providing multiple back slashes such as \\evil.com/path. This vulnerability is only...

CERT/CC Warns of Hidden Admin Backdoor in Tenda Router Firmware

Several versions of firmware released by Chinese network device manufacturer Tenda have been found to embed an undocumented authentication backdoor that enables administrative access to the devices' web management interfaces, the CERT Coordination Center CERT/CC warned Monday. "An attacker can...

CVE-2026-57867

MicroRealEstate allows adversaries to bypass authentication due to a lack of token state management. This would permit adversaries targeting MicroRealEstate deployments to brute-force One-Time Passwords OTP to log in as any user. This issue affects MicroRealEstate: through 1.0.0-alpha3...

CVE-2026-57867

CVE-2026-57867 affects MicroRealEstate before or up to 1.0.0-alpha3, due to a lack of token state management that enables adversaries to bypass authentication and brute‑force One‑Time Passwords (OTP) to log in as any user. The root cause is insufficient token state handling, leading to an auth by...

CVE-2026-57867

MicroRealEstate allows adversaries to bypass authentication due to a lack of token state management. This would permit adversaries targeting MicroRealEstate deployments to brute-force One-Time Passwords OTP to log in as any user. This issue affects MicroRealEstate: through 1.0.0-alpha3...

CVE-2026-55075: Improper Authentication

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-2026-43918

FOSSBilling is a free, open-source billing and client management system. Prior to version 0.8.0, when a client or staff/admin account is suspended or marked inactive, existing authenticated sessions are not invalidated. The session identity loaders in src/di.php loggedinclient and loggedinadmin...