CVE-2026-53961

CVE-2026-53961 concerns Discourse, an open-source discussion platform. Prior to the fixed versions, the AWS SES bounce webhook at POST /webhooks/aws did not bind SNS-signed messages to trusted TopicArn values, enabling any AWS account holder to publish forged Bounce notifications that revoke a ta...

CVE-2026-53961 Discourse: Forged AWS SNS bounce notifications can disable a targeted user's email (missing TopicArn binding)

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the AWS SES bounce webhook at POST /webhooks/aws verified that SNS messages were signed by Amazon but did not bind them to trusted TopicArn values, allowing any AWS account holder to publish...

CVE-2026-53961 Discourse: Forged AWS SNS bounce notifications can disable a targeted user's email (missing TopicArn binding)

Discourse is an open-source discussion platform. Prior to 2026.6.0, 2026.5.1, 2026.4.2, and 2026.1.5, the AWS SES bounce webhook at POST /webhooks/aws verified that SNS messages were signed by Amazon but did not bind them to trusted TopicArn values, allowing any AWS account holder to publish...

CVE-2025-58146

There are multiple issues. 1. Updates to the XAPI database sanitise input strings, but try generating the notification using the unsanitised input. This causes the database's event thread to terminate and cease further processing. 2. XAPI's UTF-8 encoder implements v3.0 of the Unicode spec, but...

PYSEC-2026-1714 OctoPrint vulnerable to XSS in Action Commands Notification and Prompt

Impact OctoPrint versions up to and including 1.11.3 are affected by a vulnerability that allows injection of arbitrary HTML and JavaScript into Action Command notification and prompt popups generated by the printer. An attacker who successfully convinces a victim to print a specially crafted fil...

GO-2026-5820 Mattermost doesn't archive the channel before removing persistent notifications in github.com/mattermost/mattermost-server

Mattermost doesn't archive the channel before removing persistent notifications in github.com/mattermost/mattermost-server...

PYSEC-2026-1910 Sentry improperly authorizes deletion of user issue alert notifications

Impact An authenticated user may delete user issue alert notifications for arbitrary users given a known alert ID. Patches A patch was issued to ensure authorization checks are properly scoped on requests to delete user alert notifications. Sentry SaaS users do not need to take any action...

CVE-2024-6228

The Notifications for Forms & WordPress Actions WordPress plugin before 2.6 does not validate a user-supplied value before using it to build a server-side file inclusion path, allowing authenticated users with subscriber-level access and above to include and execute arbitrary local PHP files on t...

EUVD-2024-55649

The Notifications for Forms & WordPress Actions WordPress plugin before 2.6 does not validate a user-supplied value before using it to build a server-side file inclusion path, allowing authenticated users with subscriber-level access and above to include and execute arbitrary local PHP files on t...

PT-2026-55863

Name of the Vulnerable Software and Affected Versions Notifications for Forms & WordPress Actions versions prior to 2.6 Description Authenticated users with subscriber-level access and above can include and execute arbitrary local PHP files on the server. This occurs because the plugin fails to...

Ubuntu 26.04 LTS : Linux kernel (OEM) vulnerabilities (USN-8489-1)

"The remote Ubuntu 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8489-1 advisory. It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag....

USN-8499-1 linux-xilinx vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

USN-8499-1: Linux kernel (Xilinx) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 It was discovered that the Linux kernel did n...

USN-8497-1 linux-lowlatency, linux-lowlatency-hwe-6.8 vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8497-1: Linux kernel (Low Latency) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

EUVD-2026-41248

The Email Subscribers & Newsletters – Email Marketing, Post Notifications & Newsletter Plugin for WordPress plugin for WordPress is vulnerable to authorization bypass in all versions up to, and including, 5.9.27. This is due to the plugin not properly verifying that a user is authorized to perfor...

USN-8489-1: Linux kernel (OEM) vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

USN-8489-1 linux-oem-7.0 vulnerabilities

It was discovered that the Linux kernel did not properly handle shared page fragments during socket buffer operations, collectively known as Dirty Frag. A logic flaw existed in the XFRM ESP-in-TCP subsystem and in the RxRPC networking subsystem when processing paged fragments. A local attacker...

CVE-2026-53168

In the Linux kernel, the following vulnerability has been resolved: fuse: reject fusenotify pagecache ops on directories The operations FUSENOTIFYSTORE and FUSENOTIFYRETRIEVE allow the FUSE daemon to actively write/read pagecache contents. For directories with FOPENCACHEDIR, the pagecache is used...

PT-2026-52643

Name of the Vulnerable Software and Affected Versions Lemur affected versions not specified Description An authorization bypass exists in the StrictRolePermission and AuthorityCreatorPermission classes within lemur/auth/permissions.py. When the configuration flags LEMUR STRICT ROLE ENFORCEMENT an...