CVE-2026-90819 a2aproject a2a-java Authorization Header Construction BasePushNotificationSender.java BasePushNotificationSender.dispatchNotification response splitting

A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file server-common/src/main/java/org/a2aproject/sdk/server/tasks/BasePushNotificationSender.java of the component Authorization Header...

CVE-2026-90790

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

CVE-2026-90790

A server-side request forgery (SSRF) vulnerability exists in a2aproject a2a-python (versions up to 1.1.3 ). The flaw is in the function _dispatch_notification within the Push Notification Sender component (src/a2a/server/tasks/base_push_notification_sender.py), where an attacker can manipulate th...

CVE-2026-90790 a2aproject a2a-python Push Notification Sender base_push_notification_sender.py _dispatch_notification server-side request forgery

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

CVE-2026-90790 a2aproject a2a-python Push Notification Sender base_push_notification_sender.py _dispatch_notification server-side request forgery

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

CVE-2026-90790 a2aproject a2a-python Push Notification Sender base_push_notification_sender.py _dispatch_notification server-side request forgery

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

EUVD-2026-77535

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

PT-2026-91249

Name of the Vulnerable Software and Affected Versions a2aproject a2a-python versions prior to 1.1.4 Description A server-side request forgery issue exists in the Push Notification Sender component. The problem occurs within the dispatch notification function located in the src/a2a/server/tasks/ba...

CVE-2026-90819: Improper Neutralization of CRLF Sequences in HTTP Headers

A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file server-common/src/main/java/org/a2aproject/sdk/server/tasks/BasePushNotificationSender.java of the component Authorization Header...

PT-2026-91711

A weakness has been identified in a2aproject a2a-java 1.2.0. The affected element is the function BasePushNotificationSender.dispatchNotification of the file server-common/src/main/java/org/a2aproject/sdk/server/tasks/BasePushNotificationSender.java of the component Authorization Header...

PT-2026-91712

Name of the Vulnerable Software and Affected Versions a2aproject a2a-java version 1.2.0 Description A remote attack can lead to missing authorization due to an issue in the AuthorizationRequestHandlerDecorator.onListTasks function located in the...

CVE-2026-90820: Missing Authorization

A security vulnerability has been detected in a2aproject a2a-java 1.2.0. The impacted element is the function AuthorizationRequestHandlerDecorator.onListTasks of the file server-common/src/main/java/org/a2aproject/sdk/server/requesthandlers/AuthorizationRequestHandlerDecorator.java. Such...

CVE-2026-90790: Server-Side Request Forgery (SSRF)

A security vulnerability has been detected in a2aproject a2a-python up to 1.1.3. This affects the function dispatchnotification of the file src/a2a/server/tasks/basepushnotificationsender.py of the component Push Notification Sender. The manipulation of the argument pushinfo.url leads to...

CVE-2026-77822 IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint

IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding...

CVE-2026-77822

IBM ContextForge MCP Gateway (versions ≤ v1.0.8) is vulnerable to server-side request forgery (SSRF) via DNS rebinding in its A2A invocation endpoint (POST /a2a/{agent_name}/invoke). Unlike other outbound egress paths, this endpoint does not pin the DNS-resolved IP at connection time, allowing a ...

CVE-2026-77822 IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint

IBM ContextForge MCP Gateway could allow a remote authenticated attacker to obtain sensitive information due to server-side request forgery via DNS rebinding...

Security Bulletin: IBM ContextForge MCP Gateway is affected by server-side request forgery (DNS rebinding) via the A2A agent invocation endpoint

Summary IBM ContextForge MCP Gateway contains a server-side request forgery SSRF vulnerability in its Agent-to-Agent A2A invocation endpoint POST /a2a/agentname/invoke. Unlike every other outbound egress path in the gateway, the A2A invocation path does not pin the DNS-resolved IP address at...

EUVD-2026-67956

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint...

CVE-2026-19286

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint...

CVE-2026-19286

IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary code due to improper enforcement of security restrictions on the A2A public endpoint...