Improper validation of certificate with host mismatch in Thrift - CVE-2026-41603
Published: April 28, 2026
Vulnerability identifier: #VU128308
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2026-41603
CWE-ID: CWE-297
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Apache Foundation
Affected software:
Thrift
Thrift
Detailed vulnerability description
The vulnerability allows a remote attacker to impersonate a trusted host.
The vulnerability exists due to improper validation of certificate with host mismatch in Java TSSLTransportFactory when establishing TLS connections. A remote attacker can present a certificate with a mismatched hostname to impersonate a trusted host.
How to mitigate CVE-2026-41603
Install security update from vendor's website.