Weak Encryption Vulnerability in Poco Package: CVE-2025-45766
Summary
CVE-2025-45766: poco v1.14.1-release was discovered to contain weak encryption. Affects poco versions < fee4dccb44396911e9559c6875e88146f64b7f55. No fix is published. How to fix ↓
Check if this vulnerability affects your application
Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.
No signup required · Results in about 60 seconds
Background
Poco is a collection of open-source C++ libraries designed for building network and internet-based applications. It provides features such as HTTP, FTP, and WebSocket support, making it a popular choice for developers looking to create robust and scalable applications. The vulnerability in question affects multiple versions of the Poco package across various Debian distributions, highlighting a significant security concern related to weak encryption mechanisms.
Vulnerability Detail
The vulnerability identified as CVE-2025-45766 pertains to the Poco library version 1.14.1-release, which has been discovered to contain weak encryption. This weakness can potentially allow attackers to exploit the encryption methods used in the library, leading to unauthorized access to sensitive data or the ability to manipulate encrypted communications. The issue arises from the implementation of cryptographic algorithms that do not meet modern security standards, making the data susceptible to decryption by malicious actors.
How To Fix
No fixed version is published for this vulnerability.
Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →
Workaround
As a temporary measure, users are advised to avoid using the affected features of the Poco library that rely on encryption until the package is updated. Additionally, consider implementing alternative encryption methods in your application to safeguard sensitive data.
Conclusion
The discovery of weak encryption in the Poco library (CVE-2025-45766) poses a significant threat to applications relying on this package. It is crucial for developers to update to the latest version of Poco to mitigate risks associated with this vulnerability. Utilizing tools like Vulert can help monitor and alert for such vulnerabilities in real-time, ensuring better security for your applications.
See every vulnerability recorded for poco →
FAQ
CVE-2025-45766 is a security vulnerability in the Poco library that involves weak encryption methods, potentially exposing sensitive data to unauthorized access.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
The risks include unauthorized access to sensitive data, potential data manipulation, and compromised communications, which can lead to severe security breaches.
Yes, updating the Poco package to the latest version will address the vulnerability. Follow the provided commands to update your package.
If immediate updates are not possible, avoid using the affected features of the Poco library and consider implementing alternative encryption methods.
Related vulnerabilities
Recent vulnerabilities recorded for poco.
