CVE-2026-23303
Not scored
smb: client: Don't log plaintext credentials in cifs_set_cifscreds
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.
Exploit probability
0.1%
Published
March 25, 2026
Required by
Not available
Last source change
July 15, 2026
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2026-23303
View original source
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.
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/2ef0fc3bf49db2b9df36d5f44508c9e384bfa2a1
- https://git.kernel.org/stable/c/2f37dc436d4e61ff7ae0b0353cf91b8c10396e4d
- https://git.kernel.org/stable/c/3990f352bb0adc8688d0949a9c13e3110570eb61
- https://git.kernel.org/stable/c/3e182701db612ddd794ccd5ed822e6cc1db2b972
- https://git.kernel.org/stable/c/54c570de9a35860dfa85fe668f23ddfda8cc7e26
- https://git.kernel.org/stable/c/b746a357abfb8fdb0a171d51ec5091e786d34be1
- https://git.kernel.org/stable/c/e5a3b11e07b335006371915b2da47b6056c9e3bc
- https://git.kernel.org/stable/c/ff0ece8ed04180c52167c003362284b23cf54e8d
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23303.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-23303