Improper Certificate Validation in Ceph - #VU144396
Published: August 19, 2026
Vulnerability identifier: #VU144396
CSH Severity: Medium
CVSS v4: 8.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-295
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to disclose sensitive information.
The vulnerability exists due to improper certificate validation in pybind when establishing certificate-checked connections. A remote attacker can present a specially crafted certificate to disclose sensitive information.
Affected software
Ceph
Remediation
Install security update from vendor's website.
Ceph - addressed in versions 18.2.9, 19.2.4, 20.2.1