CWE-204
Observable Response Discrepancy
Description
The product provides different responses to incoming requests in a way that reveals internal state information to an unauthorized actor outside of the intended control sphere.
Hierarchy (View 1000)
Parents
Children
none
Related attack patterns (CAPEC)
CAPEC-331 · CAPEC-332 · CAPEC-541 · CAPEC-580
CVEs mapped to this weakness (179)
page 7 of 9| CVE | Vendor / Product | Sev | Risk | CVSS | EPSS | KEV | Published | Description |
|---|---|---|---|---|---|---|---|---|
| CVE-2026-42218 | Med | 0.27 | 5.3 | 0.00 | Jul 20, 2026 | xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized… | ||
| CVE-2026-53947 | Med | 0.27 | 5.3 | 0.00 | Jun 24, 2026 | Ghost is a Node.js content management system. From 5.18.0 until 6.21.1, a discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site. This… | ||
| CVE-2026-45294 | Med | 0.27 | 5.3 | 0.00 | May 29, 2026 | FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct responses depending on whether the submitted email address belongs to an existing user account, allowing unauthenticated… | ||
| CVE-2026-44306 | Med | 0.27 | 5.3 | 0.00 | May 12, 2026 | Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.21 and 6.15.0, responses from the forgot password forms hinted at whether an account existed for a given email address. An unauthenticated attacker could use this to enumerate valid users, which… | ||
| CVE-2026-24468 | Med | 0.27 | 5.3 | 0.00 | Apr 20, 2026 | OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Starting in version 1.11.0 and prior to version 2.0.13, the /api/reset endpoint behaves differently depending on whether the supplied username… | ||
| CVE-2026-40485 | Med | 0.27 | 5.3 | 0.00 | Apr 18, 2026 | ChurchCRM is an open-source church management system. In versions prior to 7.2.0, the public API login endpoint (/api/public/user/login) returns distinguishable HTTP response codes based on whether a username exists: 404 for non-existent users and 401 for valid users with… | ||
| CVE-2026-33323 | Med | 0.27 | 5.3 | 0.00 | Mar 24, 2026 | Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.51 and 9.6.0-alpha.40, the Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on… | ||
| CVE-2026-33688 | Med | 0.27 | 5.3 | 0.00 | Mar 23, 2026 | WWBN AVideo is an open source video platform. In versions up to and including 26.0, the password recovery endpoint at `objects/userRecoverPass.php` performs user existence and account status checks before validating the captcha. This allows an unauthenticated attacker to… | ||
| CVE-2026-30876 | Med | 0.27 | 5.3 | 0.00 | Mar 16, 2026 | Chamilo LMS is a learning management system. Prior to version 1.11.36, Chamilo is vulnerable to user enumeration with valid/invalid username. This issue has been patched in version 1.11.36. | ||
| CVE-2025-69243 | Med | 0.27 | 5.3 | 0.00 | Mar 16, 2026 | Raytha CMS is vulnerable to User Enumeration in password reset functionality. Difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. This issue was fixed in version 1.5.0. | ||
| CVE-2026-31901 | Med | 0.27 | 5.3 | 0.00 | Mar 11, 2026 | Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.34 and 9.6.0-alpha.8, the email verification endpoint (/verificationEmailRequest) returns distinct error responses depending on whether an email address belongs… | ||
| CVE-2026-31888 | Med | 0.27 | 5.3 | 0.00 | Mar 11, 2026 | Shopware is an open commerce platform. Prior to 6.7.8.1 and 6.6.10.15, the Store API login endpoint (POST /store-api/account/login) returns different error codes depending on whether the submitted email address belongs to a registered customer… | ||
| CVE-2026-28358 | Med | 0.27 | 5.3 | 0.01 | Mar 2, 2026 | NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the password forgot endpoint returned different responses for registered and unregistered emails, allowing user enumeration. This issue has been patched in version 0.301.3. | ||
| CVE-2026-25138 | Med | 0.27 | 5.3 | 0.00 | Feb 25, 2026 | Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior to versions 35.8.3, 38.5.4, and 39.3.1, the WebUI login endpoint returns distinct error messages depending on whether a… | ||
| CVE-2026-27480 | Med | 0.27 | 5.3 | 0.00 | Feb 21, 2026 | Static Web Server (SWS) is a production-ready web server suitable for static web files or assets. In versions 2.1.0 through 2.40.1, a timing-based username enumeration vulnerability in Basic Authentication allows attackers to identify valid users by exploiting early responses… | ||
| CVE-2026-25509 | Med | 0.27 | 5.3 | 0.00 | Feb 3, 2026 | CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enumeration. An unauthenticated attacker can… | ||
| CVE-2026-23511 | Med | 0.27 | 5.3 | 0.00 | Jan 15, 2026 | ZITADEL is an open source identity management platform. Prior to 4.9.1 and 3.4.6, a user enumeration vulnerability has been discovered in Zitadel's login interfaces. An unauthenticated attacker can exploit this flaw to confirm the existence of valid user accounts by iterating… | ||
| CVE-2025-69413 | Med | 0.27 | 5.3 | 0.00 | Jan 1, 2026 | In Gitea before 1.25.2, /api/v1/user has different responses for failed authentication depending on whether a username exists. | ||
| CVE-2025-58442 | Med | 0.27 | 5.3 | 0.00 | Sep 9, 2025 | Saleor is an e-commerce platform. Starting in version 3.21.0 and prior to version 3.21.16, requesting certain fields in the response of `accountRegister` may result in errors that could unintentionally reveal whether a user with the provided email already exists in Saleor.… | ||
| CVE-2025-46736 | Med | 0.27 | 5.3 | 0.00 | May 6, 2025 | Umbraco is a free and open source .NET content management system. Prior to versions 10.8.10 and 13.8.1, based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. The issue is patched in versions 10.8.10 and 13.8.1. No… |
- risk 0.27cvss 5.3epss 0.00
xrdp is an open source RDP server. Versions 0.10.6 and prior contain a timing side-channel vulnerability in the login interface. Due to a discrepancy in response processing times, a remote attacker can infer the existence of a username on the system, leading to unauthorized…
- risk 0.27cvss 5.3epss 0.00
Ghost is a Node.js content management system. From 5.18.0 until 6.21.1, a discrepancy in responses from the members signin endpoints made it possible for an unauthenticated attacker to determine whether a given email address belongs to a registered member of a Ghost site. This…
- risk 0.27cvss 5.3epss 0.00
FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to 1.8.219, the password reset endpoint returns visually distinct responses depending on whether the submitted email address belongs to an existing user account, allowing unauthenticated…
- risk 0.27cvss 5.3epss 0.00
Statamic is a Laravel and Git powered content management system (CMS). Prior to 5.73.21 and 6.15.0, responses from the forgot password forms hinted at whether an account existed for a given email address. An unauthenticated attacker could use this to enumerate valid users, which…
- risk 0.27cvss 5.3epss 0.00
OpenAEV is an open source platform allowing organizations to plan, schedule and conduct cyber adversary simulation campaign and tests. Starting in version 1.11.0 and prior to version 2.0.13, the /api/reset endpoint behaves differently depending on whether the supplied username…
- risk 0.27cvss 5.3epss 0.00
ChurchCRM is an open-source church management system. In versions prior to 7.2.0, the public API login endpoint (/api/public/user/login) returns distinguishable HTTP response codes based on whether a username exists: 404 for non-existent users and 401 for valid users with…
- risk 0.27cvss 5.3epss 0.00
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.51 and 9.6.0-alpha.40, the Pages route and legacy PublicAPI route for resending email verification links return distinguishable responses depending on…
- risk 0.27cvss 5.3epss 0.00
WWBN AVideo is an open source video platform. In versions up to and including 26.0, the password recovery endpoint at `objects/userRecoverPass.php` performs user existence and account status checks before validating the captcha. This allows an unauthenticated attacker to…
- risk 0.27cvss 5.3epss 0.00
Chamilo LMS is a learning management system. Prior to version 1.11.36, Chamilo is vulnerable to user enumeration with valid/invalid username. This issue has been patched in version 1.11.36.
- risk 0.27cvss 5.3epss 0.00
Raytha CMS is vulnerable to User Enumeration in password reset functionality. Difference in messages could allow an attacker to determine if the login is valid or not, enabling a brute force attack with valid logins. This issue was fixed in version 1.5.0.
- risk 0.27cvss 5.3epss 0.00
Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to 8.6.34 and 9.6.0-alpha.8, the email verification endpoint (/verificationEmailRequest) returns distinct error responses depending on whether an email address belongs…
- risk 0.27cvss 5.3epss 0.00
Shopware is an open commerce platform. Prior to 6.7.8.1 and 6.6.10.15, the Store API login endpoint (POST /store-api/account/login) returns different error codes depending on whether the submitted email address belongs to a registered customer…
- risk 0.27cvss 5.3epss 0.01
NocoDB is software for building databases as spreadsheets. Prior to version 0.301.3, the password forgot endpoint returned different responses for registered and unregistered emails, allowing user enumeration. This issue has been patched in version 0.301.3.
- risk 0.27cvss 5.3epss 0.00
Rucio is a software framework that provides functionality to organize, manage, and access large volumes of scientific data using customizable policies. Prior to versions 35.8.3, 38.5.4, and 39.3.1, the WebUI login endpoint returns distinct error messages depending on whether a…
- risk 0.27cvss 5.3epss 0.00
Static Web Server (SWS) is a production-ready web server suitable for static web files or assets. In versions 2.1.0 through 2.40.1, a timing-based username enumeration vulnerability in Basic Authentication allows attackers to identify valid users by exploiting early responses…
- risk 0.27cvss 5.3epss 0.00
CI4MS is a CodeIgniter 4-based CMS skeleton that delivers a production-ready, modular architecture with RBAC authorization and theme support. Prior to version 0.28.5.0, the authentication implementation in CI4MS is vulnerable to email enumeration. An unauthenticated attacker can…
- risk 0.27cvss 5.3epss 0.00
ZITADEL is an open source identity management platform. Prior to 4.9.1 and 3.4.6, a user enumeration vulnerability has been discovered in Zitadel's login interfaces. An unauthenticated attacker can exploit this flaw to confirm the existence of valid user accounts by iterating…
- risk 0.27cvss 5.3epss 0.00
In Gitea before 1.25.2, /api/v1/user has different responses for failed authentication depending on whether a username exists.
- risk 0.27cvss 5.3epss 0.00
Saleor is an e-commerce platform. Starting in version 3.21.0 and prior to version 3.21.16, requesting certain fields in the response of `accountRegister` may result in errors that could unintentionally reveal whether a user with the provided email already exists in Saleor.…
- risk 0.27cvss 5.3epss 0.00
Umbraco is a free and open source .NET content management system. Prior to versions 10.8.10 and 13.8.1, based on an analysis of the timing of post login API responses, it's possible to determine whether an account exists. The issue is patched in versions 10.8.10 and 13.8.1. No…