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CVE-2026-23303

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: smb: client: Don't log plaintext credentials in cifs_set_cifscreds When debug logging is enabled, cifs_set_cifscreds() logs the…

Published Mar 25, 2026EPSS 0.13%

Overview

CVE-2026-23303 is a medium-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

smb: client: Don't log plaintext credentials in cifs_set_cifscreds

When debug logging is enabled, cifs_set_cifscreds() logs the key

payload and exposes the plaintext username and password. Remove the

debug log to avoid exposing credentials.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1Refgit.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4dRefgit.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61Refgit.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972Refgit.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26Refgit.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1Refgit.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bcRefgit.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d

How CyberStrike helps

Frequently asked questions

What is CVE-2026-23303?

CVE-2026-23303 is a medium-severity vulnerability. It was published on March 25, 2026 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2026-23303?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-23303?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-23303?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-23303 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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