Improper Authentication

Overview fast-mcp-telegram is a Multi-tenant Telegram gateway for AI agents — HTTP+stdio transport, 8 agent-optimized tools, MTProto User API Affected versions of this package are vulnerable to Improper Authentication via the SessionFileTokenVerifier.verifytoken process. An attacker can gain...

PYSEC-2026-762 Zope DTML implementation Improper Authentication

The DTML implementation in the Z Object Publishing Environment Zope allows remote attackers to conduct unauthorized activities...

CVE-2026-55955

A flaw was found in Apache Tomcat. An improper authentication vulnerability in the EncryptionInterceptor component allows a remote attacker to perform a replay attack. This could lead to unauthorized access or manipulation of data within the cluster component. Mitigation This vulnerability only...

Apache Tomcat 9.0.0.M1 < 9.0.119 multiple vulnerabilities

The version of Tomcat installed on the remote host is prior to 9.0.119. It is, therefore, affected by multiple vulnerabilities as referenced in the fixedinapachetomcat9.0.119security-9 advisory. - Always-Incorrect Control Flow Implementation vulnerability in Apache Tomcat meant that special roles...

Improper Authentication

Overview org.apache.tomcat.embed:tomcat-embed-core is a Core Tomcat implementation. Affected versions of this package are vulnerable to Improper Authentication in the EncryptionInterceptor process of the cluster component. An attacker can gain unauthorized access or perform unauthorized actions b...

Improper Authentication

Overview org.apache.tomcat:tomcat is an implementation of the Java Servlet, JavaServer Pages, Java Expression Language and Java WebSocket technologies. Affected versions of this package are vulnerable to Improper Authentication in the EncryptionInterceptor process of the cluster component. An...

Improper Authentication

Overview org.apache.tomcat:tomcat-catalina is a Tomcat Servlet Engine Core Classes and Standard implementations. Affected versions of this package are vulnerable to Improper Authentication in the EncryptionInterceptor process of the cluster component. An attacker can gain unauthorized access or...

UBUNTU-CVE-2026-55955

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, fro...

CVE-2026-55955

Improper Authentication vulnerability in Apache Tomcat allowed a replay attack against the EncryptionInterceptor in the cluster component. This issue affects Apache Tomcat: from 11.0.0-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.13 through 9.0.18, from 8.5.38 through 8.5.100, fro...

CVE-2026-55955

CVE-2026-55955 describes an improper authentication flaw in Apache Tomcat’s EncryptionInterceptor for Tribes clustering, allowing a replay attack. Affected versions include Tomcat 11.0.0-M1–11.0.22, 10.1.0-M1–10.1.55, 9.0.13–9.0.18, 8.5.38–8.5.100, and 7.0.100–7.0.109. Remediation is to upgrade t...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the privatekeyjwt authentication process. An attacker can generate access tokens as another client by exploiting the JWKS resolver cache, without possessing the victim's signing key, if the target client has...

PYSEC-2026-413 Meta Ads MCP: Unauthenticated HTTP MCP Tool Execution Leaks Operator Meta Access Token

Unauthenticated HTTP MCP Tool Execution Leaks Operator Meta Access Token | Field | Value | | ---------------- | ----- | | Repository | pipeboard-co/meta-ads-mcp | | Affected version | ≤ 1.0.101 commit 496c988 7d14226; Versions 1.0.102–1.0.105 lack git tags, so patch status is unconfirmed. | |...

PYSEC-2026-575 wolfSSL Python module vulnerable to Improper Authentication

A vulnerability in the handling of verifymode = CERTREQUIRED in the wolfssl Python package wolfssl-py causes client certificate requirements to not be fully enforced. Because the WOLFSSLVERIFYFAILIFNOPEERCERT flag was not included, the behavior effectively matched CERTOPTIONAL: a peer certificate...

tomcat: Apache Tomcat: Replay attack via improper authentication in EncryptionInterceptor

A flaw was found in Apache Tomcat. An improper authentication vulnerability in the EncryptionInterceptor component allows a remote attacker to perform a replay attack. This could lead to unauthorized access or manipulation of data within the cluster component...

CVE-2026-13543

A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to...

CVE-2026-13543 Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication

A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to...

EUVD-2026-40043

A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to...

CVE-2026-13543 Documenso Google OAuth Login handle-oauth-callback-url.ts improper authentication

A vulnerability was detected in Documenso up to 2.11.0. Affected by this vulnerability is an unknown functionality of the file packages/auth/server/lib/utils/handle-oauth-callback-url.ts of the component Google OAuth Login. The manipulation results in improper authentication. It is possible to...

CVE-2026-12773

A flaw was found in BerriAI litellm, within its MCP Proxy component. A remote attacker could exploit an improper authentication vulnerability in the UserAPIKeyAuth function. This could allow unauthorized access, potentially compromising the confidentiality, integrity, and availability of data...

Improper Authentication

Overview Affected versions of this package are vulnerable to Improper Authentication via the proxy authentication process. An attacker can gain unauthorized access and impersonate any user, including administrative accounts, by sending a forged HTTP header directly to the server. Additionally,...