EUVD-2026-43315

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-9597

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-9597 Deactivated guest accounts can authenticate via magic-link token in Mattermost REST API login endpoint

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-9597

Mattermost advisory MMSA-2026-00681 documents a vulnerability in Mattermost where versions 11.7.x <= 11.7.2 and 11.6.x

CVE-2026-9597: Authentication Bypass by Primary Weakness

Mattermost versions 11.7.x = 11.7.2, 11.6.x = 11.6.4 fail to verify whether a guest account is deactivated before creating a session in the magic-link token login path, which allows a deactivated guest user to obtain a fully functional session via a magic-link token issued prior to deactivation...

CVE-2026-55605

Summary: CVE-2026-55605 affects the self-hosted HTTP transport of @arikusi/deepseek-mcp-server used with DeepSeek V4. starting in 1.4.2 and before 1.8.0, the POST /mcp endpoint is exposed without authentication due to createMcpExpressApp being called without an authProvider and missing route guar...

Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

GHSA-MFVP-7P3V-X9MH Casdoor SAML callback handler accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest

In Casdoor versions 2.362.0 and earlier, the SAML callback handler in controllers/auth.go accepts any well-formed SAMLResponse sent to /api/acs without verifying that it corresponds to an AuthnRequest previously issued by Casdoor. Additionally, if an administrator disables or deletes an IdP...

CVE-2026-6829

nesquena hermes-webui contains a trust-boundary failure vulnerability that allows authenticated attackers to set or change a session workspace to an arbitrary existing directory on disk by manipulating workspace path parameters in endpoints such as /api/session/new, /api/session/update,...

CVE-2026-39322

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

📄 Vaadin 25.x Authentication Bypass

An authentication bypass affects Vaadin versions 6.8.13, 14.x, 23.x, 24.x, and 25.x when used with Spring Security, due to inconsistent path pattern matching on reserved framework routes. Accessing the /VAADIN endpoint without a trailing slash can bypass security filters, allowing unauthenticated...

EUVD-2026-19853

PolarLearn is a free and open-source learning program. In 0-PRERELEASE-15 and earlier, POST /api/v1/auth/sign-in creates a valid session for banned accounts before verifying the supplied password. That session is then accepted across authenticated /api routes, enabling account data access and...

CVE-2026-39322

PolarLearn (0-PRERELEASE-15 and earlier) is affected. The issue: POST /api/v1/auth/sign-in creates a valid session for banned accounts before password verification, and that session is accepted on authenticated /api routes, allowing account data access and authenticated actions as the banned user...

EUVD-2026-19549

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio RES prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with...

CVE-2026-5708

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio RES prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with...

CVE-2026-5708 Improper Control of User-Modifiable Attributes in RES CreateSession API

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio RES prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with...

CVE-2026-5708 Improper Control of User-Modifiable Attributes in RES CreateSession API

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio RES prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with...

CVE-2026-5708: Improperly Controlled Modification of Dynamically-Determined Object Attributes

Unsanitized control of user-modifiable attributes in the session creation component in AWS Research and Engineering Studio RES prior to version 2026.03 could allow an authenticated remote user to escalate privileges, assume the virtual desktop host instance profile permissions, and interact with...

PT-2026-30746

Name of the Vulnerable Software and Affected Versions AWS Research and Engineering Studio RES versions prior to 2026.03 Description An issue exists in the session creation component of AWS Research and Engineering Studio RES where unsanitized control of user-modifiable attributes could allow an...

CVE-2026-30970

Coral Server is open collaboration infrastructure that enables communication, coordination, trust and payments for The Internet of Agents. Prior to 1.1.0, Coral Server allowed the creation of agent sessions through the /api/v1/sessions endpoint without strong authentication. This endpoint perform...