Critical Security Update for python-cryptography: CVE-2026-69249
Summary
RHSA-2026:71658: Red Hat Security Advisory: python-cryptography security update. Affects python-cryptography versions < 0:43.0.0-4.el10_2.5. Fixed in 0:43.0.0-4.el10_2.5. How to fix ↓
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Background
The python-cryptography package is a widely used library in Python for cryptographic operations, providing essential functionalities such as encryption, decryption, and secure data handling. It is integral to many applications that require secure communication and data integrity. However, vulnerabilities in this package can expose applications to significant security risks, making timely updates crucial.
Vulnerability Detail
CVE-2026-69249 is a security vulnerability identified in the python-cryptography package. This vulnerability arises from improper handling of certain cryptographic operations, which could allow an attacker to exploit the flaw and potentially gain unauthorized access to sensitive information or disrupt the integrity of cryptographic processes. The CVSS score for this vulnerability is 7.5, indicating a high severity level that necessitates immediate attention.
How To Fix
Minimum fixed version
0:43.0.0-4.el10_2.5
This is the first release that contains the fix.
sudo dnf update python-cryptographyTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, if immediate patching is not feasible, consider limiting the use of the affected cryptographic functions or implementing additional security measures such as input validation and monitoring for unusual activity.
Conclusion
The python-cryptography package is critical for secure operations in Python applications. The identified vulnerability CVE-2026-69249 poses significant risks, and it is essential to apply the recommended updates to mitigate these risks effectively. Regular monitoring and timely updates are vital for maintaining application security.
See every vulnerability recorded for python-cryptography →
FAQ
CVE-2026-69249 is a security vulnerability in the python-cryptography package that could allow unauthorized access to sensitive information.
The vulnerability has a CVSS score of 7.5, indicating a high level of severity that requires prompt action.
You can use the Vulert playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
If you cannot update the package right away, consider implementing workarounds such as limiting the use of affected cryptographic functions.
More information can be found in the Red Hat Security Advisory at https://security.access.redhat.com/data/osv/RHSA-2026:71658.json.
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