CVE-2026-18141 Aap-gateway: aap-gateway: authentication bypass in event-driven ansible via forged http header

A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible EDA. An unauthenticated remote attacker can bypass mutual Transport Layer Security mTLS authentication for event streams. This is achieved by manipulating the event stream URL and forging the HTTP...

CVE-2026-55499

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, a single-file share event-stream subscription resolves the share root to the owner’s parent folder and subscribes to that folder topic, allowing an authenticated share recipient to receive names, paths, rename targets...

CVE-2026-55499 Cloudreve: Broken access control in file event stream leaks activity events for unshared siblings to single-file share recipients

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, a single-file share event-stream subscription resolves the share root to the owner’s parent folder and subscribes to that folder topic, allowing an authenticated share recipient to receive names, paths, rename targets...

CVE-2026-55499

CVE-2026-55499 (Cloudreve) Prior to version 4.17.0, an authenticated recipient of a single-file share can receive real-time events for files in the owner’s parent folder, not just the shared item. The mechanism subscribes to the owner’s parent ID for a single-file share root, and the event hub fa...

CVE-2026-55499 Cloudreve: Broken access control in file event stream leaks activity events for unshared siblings to single-file share recipients

Cloudreve is a self-hosted file management and sharing system. Prior to 4.17.0, a single-file share event-stream subscription resolves the share root to the owner’s parent folder and subscribes to that folder topic, allowing an authenticated share recipient to receive names, paths, rename targets...

PT-2026-66778

A flaw was found in aap-gateway, a component of Ansible Automation Platform's Event-Driven Ansible EDA. An unauthenticated remote attacker can bypass mutual Transport Layer Security mTLS authentication for event streams. This is achieved by manipulating the event stream URL and forging the HTTP...

CVE-2026-12383

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

CVE-2026-12383

The CVE-2026-12383 entry describes a flaw in the Event-Driven Ansible (EDA) server where ExternalEventStreamViewSet uses permissive access controls (permission_classes=[AllowAny] , authentication_classes=[] ), relying solely on the Subject header for mTLS authentication and not validating that th...

EUVD-2026-49406

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

CVE-2026-12383 Eda-server: externaleventstreamviewset trusts subject header without validation and leaks expected dn

A flaw was found in the Event-Driven Ansible EDA server. The ExternalEventStreamViewSet uses permissive access controls permissionclasses=AllowAny, authenticationclasses= and relies solely on the Subject HTTP header value for mTLS authentication without verifying that the header originated from a...

Cloudreve: Broken Access Control in file event stream: a single-file share recipient is subscribed to the owner's parent folder and receives activity events for unshared siblings

Summary When an authenticated recipient of a single-file share opens the file event stream GET /api/v4/file/events?uri=, Cloudreve validates the URI by listing it and then subscribes the caller to parent.ID. For a single-file share, the share navigator resolves the bare share-root URI to the...

PYSEC-2026-2911 PraisonAI Has Unauthenticated SSE Event Stream that Exposes All Agent Activity in A2U Server

The A2U Agent-to-User event stream server in PraisonAI exposes all agent activity without authentication. This is a separate component from the gateway server fixed in CVE-2026-34952. The createa2uroutes function registers the following endpoints with NO authentication checks: - GET /a2u/info —...

Medium: ecs-init

Issue Overview: Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder Affected Packages: ecs-init Note: This advisory is applicable to Amazon Linux 2 - Ecs Extra. Visit this page to learn more about Amazon Linux 2 AL2 Extras and this FAQ section for the difference between AL...

Medium: ecs-init

Issue Overview: Denial of Service due to Panic in AWS SDK for Go v2 SDK EventStream Decoder Affected Packages: ecs-init Issue Correction: Run dnf update ecs-init --releasever 2023.12.20260629 or dnf update --advisory ALAS2023-2026-1906 --releasever 2023.12.20260629 to update your system. More...

Medium: credentials-fetcher

Issue Overview: A denial of service vulnerability GHSA-XMRV-PMRH-HHX2 was found in the bundled AWS SDK for Go v2 EventStream decoder used by credentials-fetcher. An attacker who can inject a malformed EventStream response frame with a crafted header value type byte outside the valid range can cau...

CVE-2026-34091 User localization leaked by AbuseFilter + EventStream

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki. This issue affects MediaWiki: from before 1.43.7, 1.44.4, 1.45.2...

openSUSE 16 Security Update : aws-c-event-stream (openSUSE-SU-2026:20477-1)

The remote openSUSE 16 host has packages installed that are affected by a vulnerability as referenced in the openSUSE- SU-2026:20477-1 advisory. Changes in aws-c-event-stream: - CVE-2026-5190: Fixed a out-of-bounds write caused by crafted event-stream messages bsc1261298 Tenable has extracted the...

OPENSUSE-SU-2026:10512-1 aws-c-event-stream-devel-0.7.0-1.1 on GA media

These are all security issues fixed in the aws-c-event-stream-devel-0.7.0-1.1 package on the GA media of openSUSE Tumbleweed...

Security update for aws-c-event-stream (important)

openSUSE security update: security update for aws-c-event-stream ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:20477-1 Rating: important References: bsc1261298 Cross-References: CVE-2026-5190 Affected Products: openSUSE Leap 16.0...

CVE-2026-39889 PraisonAI has Unauthenticated SSE Event Stream Exposes All Agent Activity in A2U Server

PraisonAI is a multi-agent teams system. Prior to 4.5.115, the A2U Agent-to-User event stream server in PraisonAI exposes all agent activity without authentication. The createa2uroutes function registers the following endpoints with NO authentication checks: /a2u/info, /a2u/subscribe,...