MongoBleed Strikes: A Global MongoDB Mayhem Unleashed!
MongoBleed (CVE-2025-14847) is the cybersecurity gift nobody asked for, allowing attackers to remotely leak memory from unpatched MongoDB servers using zlib compression. With no need for authentication, it’s like leaving your front door open and shouting, “Come on in!” The US, China, and the EU are among the top exploited geos.

Hot Take:
MongoBleed is the latest ‘gift’ that nobody wanted this holiday season. It’s like waking up to find a lump of coal in your cybersecurity stocking, but this one leaks memory faster than your toddler leaks toothpaste all over the bathroom sink. Just when you thought your NoSQL databases were safe, MongoBleed swoops in to remind you that vulnerabilities are the gift that keeps on giving—especially if you forgot to patch your MongoDB server. Time to put away the New Year’s champagne and start patching, folks!
Key Points:
- MongoBleed (CVE-2025-14847) is a critical vulnerability allowing memory leaks in MongoDB servers using zlib compression.
- The vulnerability can be exploited remotely without authentication, posing a significant risk.
- Top affected regions include China, the US, Germany, Hong Kong, and Singapore.
- Large cloud and hosting providers are prominently at risk due to potential misconfiguration.
- Authorities like CISA have added this vulnerability to their Known Exploited Vulnerabilities Catalog due to active exploitation.
