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# Microsoft Security Advisory CVE-2025-26646: .NET Spoofing Vulnerability ## <a name="executive-summary"></a>Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 9.0.xxx and .NET 8.0.xxx SDK. This advisory also provides guidance on what developers can do to update their applications to address this vulnerability. A vulnerability exists in .NET SDK or MSBuild applications where external control of file name or path allows an unauthorized attacked to perform spoofing over a network. ## Discussion Discussion for this issue can be found at https://github.com/dotnet/msbuild/issues/11846 ### <a name="mitigation-factors"></a>Mitigation factors Projects which do not utilize the [DownloadFile](https://learn.microsoft.com/visualstudio/msbuild/downloadfile-task) build task are not susceptible to this vulnerability. ## <a name="affected-software"></a>Affected software * Any installation of .NET 9.0.105 SDK, .NET 9.0.203 SDK ...

Lumi H5P-Nodejs-library before 9.3.3 omits a sanitizeHtml call for plain text strings.

Plus: A DOGE operative’s laptop reportedly gets infected with malware, Grok AI is used to “undress” women on X, a school software company’s ransomware nightmare returns, and more.

As per a recent FBI warning, criminals are phishing users of payroll, and similar platforms to not only steal their credentials but also their funds.

Cisco has released software fixes to address a maximum-severity security flaw in its IOS XE Wireless Controller that could enable an unauthenticated, remote attacker to upload arbitrary files to a susceptible system. The vulnerability, tracked as CVE-2025-20188, has been rated 10.0 on the CVSS scoring system. "This vulnerability is due to the presence of a hard-coded JSON Web Token (JWT) on an

Software supply chain security has become more relevant in the last decade as more and more organizations consume, develop and deploy containerized workloads. Software is inherently complex so an analogy concerning an area of life that we can all relate to should help. Here's a conversation about cooking lasagna!“Do you need any help?”“No, it's fine. I have done this a thousand times, thanks.”“That meat packaging is unusual. It’s just a thin plastic bag. Where did you get that?”“It was a bargain. A young chap knocked the door earlier and said he was selling meat. He had a coole

### Summary Cross-site scripting (XSS) vulnerability in the [Attributes extension](https://commonmark.thephpleague.com/extensions/attributes/) of the league/commonmark library (versions 1.5.0 through 2.6.x) allows remote attackers to insert malicious JavaScript calls into HTML. ### Details The league/commonmark library provides configuration options such as `html_input: 'strip'` and `allow_unsafe_links: false` to mitigate cross-site scripting (XSS) attacks by stripping raw HTML and disallowing unsafe links. However, when the Attributes Extension is enabled, it introduces a way for users to inject arbitrary HTML attributes into elements via Markdown syntax using curly braces. As a result, even with the secure configuration shown above, an attacker can inject dangerous attributes into applications using this extension via a payload such as: ```md ![](){onerror=alert(1)} ``` Which results in the following HTML: ```html <p><img onerror="alert(1)" src="" alt="" /></p> ``` Which cause...

Are you aiming to develop an innovative startup that will make a boom effect in the modern market?…

The open source software easyjson is used by the US government and American companies. But its ties to Russia’s VK, whose CEO has been sanctioned, have researchers sounding the alarm.

Sonatype discovered ‘crypto-encrypt-ts’, a malicious npm package impersonating the popular CryptoJS library to steal crypto and personal data.…