GHSA-WQFH-GQ79-J8MF free5GC's NEF nnef-callback route group is unauthenticated; forged callback requests are accepted into the processing path

Summary free5GC's NEF mounts the nnef-callback route group without inbound OAuth2/bearer-token authorization. A forged or arbitrary bearer token e.g. Authorization: Bearer not-a-real-token is enough to reach the SMF-callback handler -- the callback body is parsed and dispatched into NEF business...

free5GC's NEF nnef-callback route group is unauthenticated; forged callback requests are accepted into the processing path

Summary free5GC's NEF mounts the nnef-callback route group without inbound OAuth2/bearer-token authorization. A forged or arbitrary bearer token e.g. Authorization: Bearer not-a-real-token is enough to reach the SMF-callback handler -- the callback body is parsed and dispatched into NEF business...

Improper Handling of Exceptional Conditions

Overview Affected versions of this package are vulnerable to Improper Handling of Exceptional Conditions through improper handling of notification delivery failures in the FlushNotifications process. An attacker can cause the service to terminate unexpectedly by supplying a crafted notifyUri that...

free5GC's NEF crashes via logger.Fatal on PFD notification delivery failure (attacker-controlled notifyUri)

Summary free5GC's NEF terminates the entire process when a stored PFD-subscription notifyUri cannot be reached. In PfdChangeNotifier.FlushNotifications, the notifier calls NnefPFDmanagementNotify... and on any delivery error invokes logger.PFDManageLog.Fatalerr, which is os.Exit1-equivalent in Go...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-42193

Plunk (open-source email platform built on AWS SES) fixes a prior vulnerability: before v0.9.0, /webhooks/sns accepted unauthenticated SNS payloads without signature/cert/topic ARN verification, enabling forged webhook requests. Attackers could spoof SNS events to trigger automations, unsubscribe...

CVE-2026-42193 Plunk: SNS webhook forgery

Plunk is an open-source email platform built on top of AWS SES. Prior to version 0.9.0, the /webhooks/sns endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN, meaning anyone can forge a valid-looking webhoo...

CVE-2026-43454 netfilter: nf_tables: Fix for duplicate device in netdev hooks

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: Fix for duplicate device in netdev hooks When handling NETDEVREGISTER notification, duplicate device registration must be avoided since the device may have been added by nftnetdevhookalloc already when creati...

EUVD-2026-28457

Server-side request forgery ssrf in Azure Notification Service allows an authorized attacker to elevate privileges over a network...

plunk 数据伪造问题漏洞

Plunk is an open-source email sending and management platform developed by Plunk. Versions of Plunk prior to 0.9.0 contained a data manipulation vulnerability. This vulnerability stems from the /webhooks/sns endpoint accepting Amazon SNS notification payloads without verifying the SNS signature,...

PT-2026-39250

Name of the Vulnerable Software and Affected Versions free5GC versions prior to 4.2.2 Description The Network Exposure Function NEF in free5GC mounts the 'nnef-callback' route group without inbound OAuth2 or bearer-token authorization. This allows an attacker to reach the SMF-callback handler usi...

PT-2026-39196

Name of the Vulnerable Software and Affected Versions Plunk versions prior to 0.9.0 Description The '/webhooks/sns' endpoint accepts Amazon SNS notification payloads from unauthenticated requests without verifying the SNS signature, certificate, or topic ARN. This allows an unauthenticated attack...

CVE-2026-41105

Server-side request forgery ssrf in Azure Notification Service allows an authorized attacker to elevate privileges over a network...

CVE-2026-41105

Server-side request forgery ssrf in Azure Notification Service allows an authorized attacker to elevate privileges over a network...

CVE-2026-41105 Azure Monitor Action Group Notification System Elevation of Privilege Vulnerability

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CVE-2026-41105

CVE-2026-41105 affects the Azure Monitor Action Group Notification System. The issue is described as a server-side request forgery (SSRF) that allows an authorized attacker to elevate privileges over a network. Documented impact is an Elevation of Privilege (EoP) with high risk (CVSS 3.1: 8.1). C...

CVE-2026-41105 Azure Monitor Action Group Notification System Elevation of Privilege Vulnerability

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CVE-2026-41903

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.217, a user holding the PERMEDITUSERS permission intended for general user-profile editing can read and modify the notification subscriptions of any other user, including admins, by sending a...

CVE-2026-41903

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.217, a user holding the PERMEDITUSERS permission intended for general user-profile editing can read and modify the notification subscriptions of any other user, including admins, by sending a...

CVE-2026-41903 FreeScout IDOR Vulnerability: PERM_EDIT_USERS allows modifying any user's notification subscriptions (incomplete fix of CVE-2025-48472)

FreeScout is a free help desk and shared inbox built with PHP's Laravel framework. Prior to version 1.8.217, a user holding the PERMEDITUSERS permission intended for general user-profile editing can read and modify the notification subscriptions of any other user, including admins, by sending a...