CVE-2026-43391 nsfs: tighten permission checks for handle opening

In the Linux kernel, the following vulnerability has been resolved: nsfs: tighten permission checks for handle opening Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper...

CVE-2026-43391

CVE-2026-43391 affects the Linux kernel nsfs component. The issue arises from insufficient permission checks when opening handles, enabling privileged services to potentially view other privileged services’ namespaces and leak information. The fix centralizes policy via may_see_all_namespaces() a...

CVE-2026-43390 nstree: tighten permission checks for listing

In the Linux kernel, the following vulnerability has been resolved: nstree: tighten permission checks for listing Even privileged services should not necessarily be able to see other privileged service's namespaces so they can't leak information to each other. Use mayseeallnamespaces helper that...

CVE-2026-43284

A flaw was found in the Linux kernel's xfrm-ESP and RxRPC subsystems. Unsafe in-place cryptographic processing of shared socket buffer fragments allows a low-privileged local attacker to corrupt page-cache contents of readable files, including sensitive system files, and gain root privileges. The...

PT-2026-38843

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes...

ShellHub has cross-tenant IDOR in `GET /api/namespaces/:tenant` via API Key bypasses membership check

Summary GET /api/namespaces/:tenant returns the full namespace object — including the members list user IDs, e-mails, roles, settings, and device counts — to any caller authenticated by an API Key, for any tenant, regardless of the API Key's own tenant scope. The handler conditionally skips the...

Authorization Bypass Through User-Controlled Key

Overview Affected versions of this package are vulnerable to Authorization Bypass Through User-Controlled Key via the GET /api/namespaces/:tenant process. An attacker can access sensitive information belonging to other tenants by authenticating with an API Key and bypassing membership checks...

GHSA-765J-QFRP-HM3J Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering

Impact Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo. Helm lookup bypass: The Helm template...

Fleet: Helm impersonation bypass of `RESTClientGetter` retains `cluster-admin` during template rendering

Impact Fleet's Helm deployer did not fully apply ServiceAccount impersonation in two code paths, allowing a tenant with git push access to a Fleet-monitored repository to read secrets from any namespace on every downstream cluster targeted by their GitRepo. Helm lookup bypass: The Helm template...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: runc (UTSA-2026-016515)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-016515 advisory. runc is a CLI tool for spawning and running containers according to the OCI specification. runc 1.1.13 and earlier, as well as 1.2.0-rc2 and earlier, can be tricked...

CVE-2026-43234

A flaw was found in the Linux kernel's team driver. A local user can exploit this vulnerability by manipulating network devices and namespaces. Specifically, when a slave device is unregistered from a team interface while a NETDEVCHANGEMTU event is pending, it can lead to a deadlock or resource...

CVE-2026-41931

Vvveb before version 1.0.8.2 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain sensitive server information by triggering unhandled exceptions in the password-reset module. Attackers can access the admin password-reset endpoint to trigger a fatal err...

CVE-2026-41931

Vvveb before version 1.0.8.2 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain sensitive server information by triggering unhandled exceptions in the password-reset module. Attackers can access the admin password-reset endpoint to trigger a fatal err...

BIT-JAVA-MIN-2024-55549

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes...

BIT-JAVA-2024-55549

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes...

PT-2026-37822

xsltGetInheritedNsList in libxslt before 1.1.43 has a use-after-free issue related to exclusion of result prefixes...

PT-2026-38220

Vvveb before version 1.0.8.2 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain sensitive server information by triggering unhandled exceptions in the password-reset module. Attackers can access the admin password-reset endpoint to trigger a fatal err...

Vvveb 安全漏洞

Vvveb is a powerful and easy-to-use CMS developed by Givan’s individual developers. It is used to build websites, blogs, or e-commerce stores. Versions of Vvveb prior to 1.0.8.2 contained security vulnerabilities. These vulnerabilities were caused by an issue with the password reset module, where...

Astra Linux - уязвимость в linux, linux-5.10

There is a use-after-free in the Linux kernel’s tcnewtfilter module, which could allow a local attacker to gain privilege escalation. This vulnerability requires unprivileged user namespaces for exploitation. We recommend upgrading to a version after commit 04c2a47ffb13c29778e2a14e414ad4cb5a5db4b...

Astra Linux - уязвимость в linux, linux-5.10

In the Linux kernel, the following vulnerability has been resolved: net: fix information leakage in /proc/net/ptype In one net namespace, after creating a packet socket without binding it to a device, users in other net namespaces can observe the new packettype added by this packet socket by...