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Warning for EmEditor users: A third-party breach tampered with the official download link between Dec 19–22, 2025. Learn how to identify the fake installer and protect your data from infostealer malware.

The threat actor known as Silver Fox has turned its focus to India, using income tax-themed lures in phishing campaigns to distribute a modular remote access trojan called ValleyRAT (aka Winos 4.0). "This sophisticated attack leverages a complex kill chain involving DLL hijacking and the modular Valley RAT to ensure persistence," CloudSEK researchers Prajwal Awasthi and Koushik Pal said in an

The Chinese hacking group known as Mustang Panda has leveraged a previously undocumented kernel-mode rootkit driver to deliver a new variant of backdoor dubbed TONESHELL in a cyber attack detected in mid-2025 targeting an unspecified entity in Asia. The findings come from Kaspersky, which observed the new backdoor variant in cyber espionage campaigns mounted by the hacking group targeting

To prevent unexpected untrusted code execution, the Visual Studio Code Go extension is now disabled in Restricted Mode.

### Summary Picklescan uses numpy.f2py.crackfortran.param_eval, which is a function in numpy to execute remote pickle files. ### Details The attack payload executes in the following steps: - First, the attacker crafts the payload by calling the numpy.f2py.crackfortran.param_eval function via reduce method. - Then, when the victim checks whether the pickle file is safe by using the Picklescan library and this library doesn't detect any dangerous functions, they decide to use pickle.load() on this malicious pickle file, thus leading to remote code execution. ### PoC ``` class RCE: def __reduce__(self): from numpy.f2py.crackfortran import param_eval return (param_eval,("os.system('ls')",None,None,None)) ``` ### Impact Any organization or individual relying on picklescan to detect malicious pickle files inside PyTorch models. Attackers can embed malicious code in pickle file that remains undetected but executes when the pickle file is loaded. Attackers can distrib...

### Summary A Server-Side Request Forgery (SSRF) filter bypass vulnerability exists in the webhook URL validation of the Secret Requests feature. The application attempts to block internal/private IP addresses but can be bypassed using DNS rebinding (e.g., `localtest.me` which resolves to `127.0.0.1`) or open redirect services (e.g., `httpbin.org/redirect-to`). This allows an authenticated user to make the server initiate HTTP requests to internal network resources. ### Details The vulnerability exists in the `isPublicUrl` function located in `/api/lib/utils.ts`. The function validates webhook URLs against a blocklist of private IP patterns: ```typescript export const isPublicUrl = (url: string): boolean => { const parsed = new URL(url); const hostname = parsed.hostname.toLowerCase(); const blockedPatterns = [ /^localhost$/, /^127\.\d{1,3}\.\d{1,3}\.\d{1,3}$/, /^192\.168\.\d{1,3}\.\d{1,3}$/, // ... other patterns ]; return...

Check Point researchers found a phishing scam abusing Google Cloud to target organisations worldwide. Scammers use official domains to steal logins. Read the full details in this exclusive report.

KrebsOnSecurity.com celebrates its 16th anniversary today! A huge "thank you" to all of our readers -- newcomers, long-timers and drive-by critics alike. Your engagement this past year here has been tremendous and truly a salve on a handful of dark days. Happily, comeuppance was a strong theme running through our coverage in 2025, with a primary focus on entities that enabled complex and globally-dispersed cybercrime services.

Crypto phishing scams surged 83% in 2025, targeting wallets with fake sites, approval tricks, and poisoned addresses. One click can drain your funds.

Over 87,000 MongoDB instances are at risk from a critical memory leak called MongoBleed. Following the chaos at Ubisoft, see how this zero-password flaw works and how to protect your data.