Ubuntu 24.04 LTS / 25.10 : Linux kernel (Azure) vulnerabilities (USN-8310-1)

"The remote Ubuntu 24.04 LTS / 25.10 host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8310-1 advisory. It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy...

PT-2026-43801

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue in the btrfs file system can lead to a transaction abort with an EEXIST error Object already exists during chunk allocation. This occurs due to non-consecutive gaps in chunk...

Internet Starts to Return in Iran After 3-Month Blackout

Some internet connectivity is returning in Iran after nearly 90 days offline, web monitoring groups say. But it isn’t clear if the reconnection is permanent...

Silent Consent, Persistent Risk: Android Permission Groups and Custom Permissions

Android's permission system is designed to balance usability with informed consent, yet two legacy mechanisms still undermine that balance in Android 16: i permission groups that silently auto-grant new permissions within a group after a user's initial approval, and ii normal-level custom...

PT-2026-47499

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.103 Description A use after free issue exists in InterestGroups, which allows a remote attacker to execute arbitrary code within a sandbox by utilizing a specially crafted HTML page. Use after free is...

BIT-DISCOURSE-2026-34154 Discourse has a subscription access bypass in its discourse-subscriptions plugin

Discourse is an open-source discussion platform. In versions prior to 2026.1.4, 2026.3.1, 2026.4.1 and 2026.5.0, a vulnerability in the discourse-subscriptions plugin allows users to gain access to subscription-gated groups without completing payment. This issue has been fixed in versions 2026.1....

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key because the create and edit flows do not restrict which user properties may be submitted and do not enforce access control on the frontend user group assignment. As a result, an attacker...

Improper Privilege Management

Overview Affected versions of this package are vulnerable to Improper Privilege Management in PATCH /api/v3/core/users/pk/. An attacker can gain elevated privileges by assigning arbitrary groups, including those with administrator-equivalent permissions, to users they control or have access to,...

CVE-2026-40172

authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, the PATCH /api/v3/core/users/pk/ API allows a caller with changeuser on a target user to assign arbitrary groups through UserSerializer, including groups with issuperuser=True, without...

CVE-2026-40172

authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, the PATCH /api/v3/core/users/pk/ API allows a caller with changeuser on a target user to assign arbitrary groups through UserSerializer, including groups with issuperuser=True, without...

CVE-2026-40172 authentik: Privilege Escalation via User PATCH: Superuser Group Assignment Bypasses enable_group_superuser

authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, the PATCH /api/v3/core/users/pk/ API allows a caller with changeuser on a target user to assign arbitrary groups through UserSerializer, including groups with issuperuser=True, without...

CVE-2026-40172 authentik: Privilege Escalation via User PATCH: Superuser Group Assignment Bypasses enable_group_superuser

authentik is an open-source identity provider. In versions prior to 2025.12.5 and 2026.2.0-rc1 through 2026.2.2, the PATCH /api/v3/core/users/pk/ API allows a caller with changeuser on a target user to assign arbitrary groups through UserSerializer, including groups with issuperuser=True, without...

First VPN Dismantled in Global Takedown Over Use by 25 Ransomware Groups

Authorities in Europe and North America have announced the dismantling of a criminal virtual private network VPN service used by criminal actors to obscure the origins of ransomware attacks, data theft, scanning, and denial-of-service attacks. Codenamed Operation Saffron, the disruption of First...

PT-2026-42827

Name of the Vulnerable Software and Affected Versions authentik versions prior to 2025.12.5 authentik versions 2026.2.0-rc1 through 2026.2.2 Description The 'PATCH /api/v3/core/users/pk/' API allows a caller with change user permissions on a target user to assign arbitrary groups via...

Chromium: CVE-2026-8521 Use after free in Tab Groups

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

Rapid7 Quarterly Threat Landscape Report: Zero-clicks, geopolitical tensions, and some wins for law enforcement

The first quarter of 2026 reinforced that attackers are moving faster, operating with greater coordination, and exploiting weaknesses before most organizations can respond effectively. From escalating geopolitical tensions to increasingly aggressive ransomware operations, the latest quarterly...

CVE-2026-45250 Stack buffer overflow via setcred(2)

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

EUVD-2026-31252

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...

CVE-2026-45250

The setcred(2) system call in the FreeBSD kernel is vulnerable to a stack buffer overflow . The vulnerability occurs because the kernel copies a user-supplied list of supplementary groups into a fixed-size kernel stack buffer without validating its length before checking the caller's privilege le...

CVE-2026-45250 Stack buffer overflow via setcred(2)

The setcred2 system call is only available to privileged users. However, before the privilege level of the caller is checked, the user-supplied list of supplementary groups is copied into a fixed-size kernel stack buffer without first validating its length. If the supplied list exceeds the capaci...