kernel: NFSv4: include MAY_WRITE in open permission mask for O_TRUNC

A flaw was found in the Linux kernel's NFSv4 implementation. A local user could exploit a vulnerability where opening a file with OTRUNC truncate and ORDONLY read-only flags would bypass the necessary write permission checks. This oversight allows an attacker to truncate a file without having...

CVE-2026-54766 Vikunja: Project duplication bypasses write-permission check on the target parent project

Vikunja is an open-source self-hosted task management platform. From 0.21.0 until 2.4.0, the project duplication operation in pkg/models/projectduplicate.go allows an authenticated user who can read a source project to place its duplicate beneath an arbitrary target parent project...

PT-2026-83229

Name of the Vulnerable Software and Affected Versions Vikunja versions 0.21.0 through 2.3.0 Description An authorization bypass exists in the project duplication process. An authenticated user with read access to a source project can duplicate it and place the copy under any arbitrary target pare...

OpenRemote read-only asset users can write predicted datapoints

Summary The predicted datapoint write endpoint allows users with only read:assets privileges to write predicted datapoints. The endpoint: text PUT /api/realm/asset/predicted/assetId/attributeName accepts write requests from users lacking write:assets. The implementation appears to check READASSET...

CVE-2026-40259

SiYuan is an open-source personal knowledge management system. In versions 3.6.3 and below, the /api/av/removeUnusedAttributeView endpoint is protected only by generic authentication that accepts publish-service RoleReader tokens. The handler passes a caller-controlled id directly to a model...

SiYuan 安全漏洞

SiYuan is an open-source personal knowledge management system developed by SiYuan itself. Versions of SiYuan 3.6.3 and earlier contained security vulnerabilities. These vulnerabilities stemmed from the /api/av/removeUnusedAttributeView endpoint, which was only protected by general authentication...

CVE-2025-55132

A flaw in Node.js's permission model allows a file's access and modification timestamps to be changed via futimes even when the process has only read permissions. Unlike utimes, futimes does not apply the expected write-permission checks, which means file metadata can be modified in read-only...

openSUSE Security Advisory (SUSE-SU-2024:3629-1)

The remote host is missing an update for the SPDX-FileCopyrightText: 2024 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

firefox: Clipboard write permission bypass

The Mozilla Foundation's Security Advisory: An attacker could write data to the user's clipboard, bypassing the user prompt, during a certain sequence of navigational events...