GHSA-3VMP-WHVV-5V9V Mattermost doesn't validate that a username returned during bot registration belongs to a bot account

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

Information Exposure

Overview Affected versions of this package are vulnerable to Information Exposure via the bot registration process. An attacker can intercept private messages sent by plugins by pre-registering a user account with a predictable bot username. Remediation Upgrade...

CVE-2026-6046

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046

Mattermost CVE-2026-6046 affects multiple releases: 11.6.x up to 11.6.1, 11.5.x up to 11.5.4, and 10.11.x up to 10.11.16. The vulnerability arises from failing to validate that a username returned during bot registration belongs to a bot account, enabling an unprivileged attacker to intercept pri...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

EUVD-2026-36502

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

CVE-2026-6046 Plugin bot username conflict allows user account to be used as bot identity in Mattermost Server

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

EUVD-2026-36424

The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials...

CVE-2026-6046: Exposure of Sensitive Information to an Unauthorized Actor

Mattermost versions 11.6.x = 11.6.1, 11.5.x = 11.5.4, 10.11.x = 10.11.15, 10.11.x = 10.11.16 fail to validate that a username returned during bot registration belongs to a bot account, which allows an unprivileged attacker to intercept private messages sent by plugins via direct message channels ...

PT-2026-48867

The system stores the username and password from the login form after submitting the request. This could allow an attacker with access to the platform to return to the browser and view the login credentials...

EulerOS Virtualization 2.13.0 : openssh (EulerOS-SA-2026-2411)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjuncti...

EulerOS Virtualization 2.13.1 : openssh (EulerOS-SA-2026-2382)

According to the versions of the openssh packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : OpenSSH before 10.3 mishandles the authorizedkeys principals option in uncommon scenarios involving a principals list in conjuncti...

Linux Distros Unpatched Vulnerability : CVE-2026-48859

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Observable Timing Discrepancy vulnerability in Erlang/OTP ssh sshauth, sshoptions modules allows unauthenticated remote username enumeration via timing...

CVE-2026-45559

Roxy-WI is a web interface for managing Haproxy, Nginx, Apache and Keepalived servers. In versions 8.2.6.4 and prior, getldapemail app/modules/roxywi/user.py:120-157 builds the LDAP search filter via f-string concatenation. The username URL path parameter is taken verbatim — no checkAjaxInput, no...

Malicious code in unified-ui-components-library (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 78fe6900f4329c8e4c7bb5322f0e30a3f3b90e289c45852fca61c4fd16f43fd8 On npm install, the package's postinstall.js collects os.hostname and os.userInfo.username and embeds them as query-string parameters in a plaintext...

MAL-2026-5648 Malicious code in unified-ui-components-library (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 78fe6900f4329c8e4c7bb5322f0e30a3f3b90e289c45852fca61c4fd16f43fd8 On npm install, the package's postinstall.js collects os.hostname and os.userInfo.username and embeds them as query-string parameters in a plaintext...

CVE-2026-41000

Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. As a result, protections against replay of UsernameToken nonces and creation timestamps, Timestamp elements, and certain SAML one-time-use semantics could be...

CVE-2026-41000

The CVE-2026-41000 issue affects Spring Web Services where Wss4jSecurityInterceptor did not consistently wire Apache WSS4J ReplayCache instances into RequestData for validation-time checks. This undermines protections against replay of UsernameToken nonces and creation timestamps, as well as Time...

CVE-2026-53674

BuddyPress 14.4.0 contains a regular expression injection vulnerability in the activity mention resolver that, when username compatibility mode is enabled, allows attackers to manipulate a REGEXP database clause by crafting mention names containing regex metacharacters. Attackers can submit...

MAL-2026-5540 Malicious code in @monitoring-lib/error-tracking (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 491603ad44ed812c3d248696b00f7d4801a4c1dc23e4f23a3bb86f2ef499616d On npm install, the preinstall lifecycle hook in package.json runs a Node one-liner that reads the installer's hostname os.hostname and username...