CVE-2026-3590 Race Condition in Guest Magic Link Authentication Allows Token Reuse

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent...

CVE-2026-3590

Mattermost CVE-2026-3590 describes a race condition in the guest magic link authentication flow that fails to enforce atomic single-use for tokens. A valid magic link can be used to establish multiple independent authenticated sessions via concurrent requests on affected versions: Mattermost 10.1...

CVE-2026-3590 Race Condition in Guest Magic Link Authentication Allows Token Reuse

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent...

CVE-2026-3590 Race Condition in Guest Magic Link Authentication Allows Token Reuse

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent...

CVE-2026-3590

Mattermost versions 10.11.x = 10.11.12, 11.5.x = 11.5.0, 11.4.x = 11.4.2, 11.3.x = 11.3.2 fail to enforce atomic single-use consumption of guest magic link tokens, which allows an attacker with access to a valid magic link to establish multiple independent authenticated sessions via concurrent...

PT-2026-33054

Name of the Vulnerable Software and Affected Versions Mattermost versions 10.11.0 through 10.11.12 Mattermost version 11.5.0 Mattermost versions 11.4.0 through 11.4.2 Mattermost versions 11.3.0 through 11.3.2 Description Failure to enforce atomic single-use consumption of guest magic link tokens...

Mattermost 安全漏洞

Mattermost is an open-source collaboration platform developed by the American company Mattermost. Vulnerabilities exist in Mattermost versions 10.11.12 and earlier of the 10.11.x series, as well as versions 11.5.0 and earlier of the 11.5.x series, 11.4.2 and earlier of the 11.4.x series, and 11.3...

CVE-2026-34238

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, an integer overflow in the despeckle operation causes a heap buffer overflow on 32-bit builds that will result in an out of bounds write. This issue has be...

CVE-2026-1396

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

GHSA-V67W-737X-V2C9 ImageMagick has a heap overflow caused by integer overflow/wraparound in viff encoder on 32-bit builds

ImageMagick is free and open-source software used for editing and manipulating digital images. In versions below both 7.1.2-19 and 6.9.13-44, the viff encoder contains an integer truncation/wraparound issue on 32-bit builds that could trigger an out of bounds heap write, potentially causing a...

CVE-2026-5446 wolfSSL ARIA-GCM TLS 1.2/DTLS 1.2 GCM nonce reuse

In wolfSSL, ARIA-GCM cipher suites used in TLS 1.2 and DTLS 1.2 reuse an identical 12-byte GCM nonce for every application-data record. Because wcAriaEncrypt is stateless and passes the caller-supplied IV verbatim to the MagicCrypto SDK with no internal counter, and because the explicit IV is...

Exploit for CVE-2026-39912

CVE-2026-39912 - Xboard / V2Board Unauth Account Takeover M...

EUVD-2026-20131

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2026-1396

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2026-1396 Magic Conversation For Gravity Forms <= 3.0.97 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2026-1396

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

CVE-2026-1396 Magic Conversation For Gravity Forms <= 3.0.97 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes

The Magic Conversation For Gravity Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'magic-conversation' shortcode in all versions up to, and including, 3.0.97 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it...

GHSA-X3F4-V83F-7WP2 Authorizer: Password reset token theft and full auth token redirect via unvalidated redirect_uri

Hi, I found that 6 endpoints in Authorizer accept a user-controlled redirecturi and append sensitive tokens to it without validating the URL against AllowedOrigins. The OAuth /app handler validates redirecturi at httphandlers/app.go:46, but the GraphQL mutations and verifyemail handler skip...

Open Redirect

Overview Affected versions of this package are vulnerable to Open Redirect through the redirecturi parameter in multiple endpoints ForgotPassword, MagicLinkLogin, Signup, InviteMembers, OAuthLoginHandler, VerifyEmailHandler which is not validated against AllowedOrigins. An attacker can obtain...

Authorizer: Password reset token theft and full auth token redirect via unvalidated redirect_uri

Hi, I found that 6 endpoints in Authorizer accept a user-controlled redirecturi and append sensitive tokens to it without validating the URL against AllowedOrigins. The OAuth /app handler validates redirecturi at httphandlers/app.go:46, but the GraphQL mutations and verifyemail handler skip...