CVE-2026-21386

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to use consistent error responses when handling the /mute command which allows an authenticated team member to enumerate private channels they are not authorized to know about via differing error messages for nonexisten...

CVE-2026-21386 Private channel enumeration via /mute slash command

Mattermost versions 11.3.x = 11.3.0, 11.2.x = 11.2.2, 10.11.x = 10.11.10 fail to use consistent error responses when handling the /mute command which allows an authenticated team member to enumerate private channels they are not authorized to know about via differing error messages for nonexisten...

EUVD-2026-11298

Shopware has user enumeration via distinct error codes on Store API login endpoint...

PT-2026-24802

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 to an existing user, ...

GO-2026-4568 Curio exposes database credentials to users with network access through verbose HTTP error responses in github.com/filecoin-project/curio

Curio exposes database credentials to users with network access through verbose HTTP error responses in github.com/filecoin-project/curio...

CVE-2026-30835

Parse Server is an open source backend that can be deployed to any infrastructure that can run Node.js. Prior to versions 8.6.7 and 9.5.0-alpha.6, malformed $regex query parameter e.g. abc causes the database to return a structured error object that is passed unsanitized through the API response...

Curio exposes database credentials to users with network access through verbose HTTP error responses

Summary Multiple HTTP handlers in Curio passed raw database error messages to HTTP clients via http.Error. When the PostgreSQL/YugabyteDB driver pgx returned errors, these could contain the database connection string — including hostname, port, username, and password. Additionally, the internal...

UBUNTU-CVE-2019-25338

DokuWiki 2018-04-22b contains a username enumeration vulnerability in its password reset functionality that allows attackers to identify valid user accounts. Attackers can submit different usernames to the password reset endpoint and distinguish between existing and non-existing accounts by...

EUVD-2020-30841

SpinetiX Fusion Digital Signage 3.4.8 contains a username enumeration vulnerability in its login script that allows attackers to identify valid user accounts. Attackers can send crafted login requests with different usernames to distinguish between existing and non-existing accounts by analyzing...

CVE-2020-36888

SpinetiX Fusion Digital Signage 3.4.8 contains a username enumeration vulnerability in its login script that allows attackers to identify valid user accounts. Attackers can send crafted login requests with different usernames to distinguish between existing and non-existing accounts by analyzing...

BIT-DISCOURSE-2025-61598 Discourse is missing Cache-Control response header on error responses

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

CVE-2025-61598

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

Discourse Cache Poisoning Vulnerability (GHSA-jp9x-wwv6-cv3j)

Discourse is prone to a cache poisoning vulnerability. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:discourse:discourse";...

CVE-2025-61598

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

EUVD-2025-36558

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

CVE-2025-61598

Product/Component: Discourse (open source discussion platform). Vulnerability summary: Versions before 3.6.2 and 3.6.0.beta2 expose a missing Cache-Control header (no-store, no-cache) in error responses, which can enable proxy caching of error pages and potentially lead to cache poisoning. Impact...

CVE-2025-61598 Discourse is missing Cache-Control response header on error responses

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

CVE-2025-61598 Discourse is missing Cache-Control response header on error responses

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

CVE-2025-61598 Discourse is missing Cache-Control response header on error responses

Discourse is an open source discussion platform. Version before 3.6.2 and 3.6.0.beta2, default Cache-Control response header with value no-store, no-cache was missing from error responses. This may caused unintended caching of those responses by proxies potentially leading to cache poisoning...

squid-cache: Squid vulnerable to information disclosure via authentication credential leakage in error handling

A Information Disclosure vulnerability has been identified in the Squid web caching proxy. This flaw occurs when the application fails to properly redact sensitive Hypertext Transfer Protocol HTTP authentication credentials from an error response. A remote client can exploit this by triggering an...