OSEC-2026-07 TLS-server does insufficient client certificate checks (missing KeyUsage and ExtendedKeyUsage validation)

The TLS server implementation does not validate the KeyUsage and ExtendedKeyUsage extensions of client certificates when mutually authenticated TLS is requested. This can lead to impersonation with a certificate issued to a server. Scenario An operations engineer enables mTLS on the admin endpoin...

OSEC-2026-06 TLS-client (with TLS 1.3) does insufficient certificate checks (missing KeyUsage and ExtendedKeyUsage validation)

The ocaml-TLS 1.3 client does not validate the KeyUsage and ExtendedKeyUsage extensions of the server certificate. This can lead to impersonation with a certificate issued to a client. Scenario Every employee at a major bank carries a smart card. The card holds a clientAuth certificate issued by...

MAL-2026-4569 Malicious code in gator-client (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1925735d02fb91f74a11718c3402ad0b10f551eecb8c6d88f02d475b3e0a799f On npm install via scripts.install: node index.js and on every require'gator-client', lib/core.js collects os.userInfo.username, os.hostname, and the...

Malicious code in gator-client (npm)

--- -= Per source details. Do not edit below this line.=- Source: amazon-inspector 1925735d02fb91f74a11718c3402ad0b10f551eecb8c6d88f02d475b3e0a799f On npm install via scripts.install: node index.js and on every require'gator-client', lib/core.js collects os.userInfo.username, os.hostname, and the...

keycloak-services: Blind Server-Side Request Forgery (SSRF) via HTTP Redirect Handling in Keycloak

A flaw was identified in Keycloak, an identity and access management solution, where it improperly follows HTTP redirects when processing certain client configuration requests. This behavior allows an attacker to trick the server into making unintended requests to internal or restricted resources...

keycloak: Keycloak: Information disclosure via OIDC token introspection endpoint audience bypass

A flaw was found in Keycloak. This access control vulnerability in Keycloak's OpenID Connect OIDC token introspection endpoint allows a confidential client to bypass audience restrictions. An attacker-controlled client with valid credentials can retrieve sensitive token claims intended for other...

keycloak: Keycloak: Access token disclosure and implicit flow bypass via forged client data

A flaw was found in Keycloak. A low-privilege user, with knowledge of user credentials and client ID, can bypass a security control intended to disable the implicit flow in OpenID Connect OIDC clients. By manipulating client data during a session restart, an attacker can obtain an access token th...

CVE-2026-22315

Incorrect Privilege Assignment vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component enables the export of user data, including cleartext passwords, via the SQL editor. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server...

CVE-2026-22314

Improper Control of Generation of Code 'Code Injection' vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component enables code execution on other users' systems. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component:...

CVE-2026-25602

Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component:...

CVE-2026-0857

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020...

CVE-2026-0856

Improper Access Control vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component enables a normal user gaining access to the admin panel. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+3230...

EUVD-2026-31094

Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component:...

CVE-2026-25602

Summary: CVE-2026-25602 affects Mesalvo Meona’s Client Launcher and Server components with an insufficient verification of data authenticity. This could enable sending messages to arbitrary email addresses. Affected components and scope: Meona Client Launcher Component (affected up to 19.06.2020 ...

CVE-2026-25602

Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component:...

CVE-2026-25602

Insufficient Verification of Data Authenticity vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component makes it possible to send messages to any email address. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component:...

CVE-2026-0857

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020...

CVE-2026-0857

CVE-2026-0857 describes Cleartext Storage of Sensitive Information in Memory for the Mesalvo Meona Client Launcher Component (through 19.06.2020 15:11:49) and Meona Server Component (through 2025.04 5+323020). The vulnerability impacts confidentiality (HIGH) with local attack vector and no user i...

EUVD-2026-31091

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020...

CVE-2026-0857

Cleartext Storage of Sensitive Information in Memory vulnerability in Mesalvo Meona Client Launcher Component, Mesalvo Meona Server Component. This issue affects Meona Client Launcher Component: through 19.06.2020 15:11:49; Meona Server Component: through 2025.04 5+323020...