Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift C++ bindings. (CVE-2026-48145)
Description
An improper validation of certificates with host mismatch vulnerability exists in Apache Thrift C++ bindings affecting versions before 0.24.0. This flaw allows an attacker to bypass host verification during TLS certificate validation. The issue is fixed in Apache Thrift version 0.24.0. The vulnerability has a CVSS 3.1 score of 7.5, indicating a medium severity level with high confidentiality impact but no integrity or availability impact.
CVSS v3.1
Score 7.5high
Affected software
pkg:deb/ubuntu/thrift?arch=source&distro=focalpkg:deb/ubuntu/thrift?arch=source&distro=jammypkg:deb/ubuntu/thrift?arch=source&distro=noblepkg:deb/ubuntu/thrift?arch=source&distro=stonkingpkg:deb/ubuntu/thrift?arch=source&distro=resoluteRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-48145 describes a vulnerability in Apache Thrift C++ bindings where the software improperly validates TLS certificates when the certificate's host does not match the expected host. This can lead to a potential confidentiality breach if an attacker can present a certificate with a mismatched host that is accepted by the client. The vulnerability affects Apache Thrift versions prior to 0.24.0. The vendor has addressed this issue in version 0.24.0, recommending users upgrade to this version to remediate the vulnerability.
Potential Impact
Successful exploitation of this vulnerability could allow an attacker to intercept or eavesdrop on communications by bypassing host verification in TLS connections, leading to a confidentiality breach. There is no impact on integrity or availability according to the CVSS vector.
Mitigation Recommendations
Users should upgrade Apache Thrift to version 0.24.0 or later, where this certificate validation issue is fixed. No other mitigation steps are indicated or required by the vendor advisory.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- UBUNTU-CVE-2026-48145
- Osv Schema Version
- 1.7.0
- Ecosystems
- ["Ubuntu:20.04:LTS","Ubuntu:22.04:LTS","Ubuntu:24.04:LTS","Ubuntu:26.10","Ubuntu:26.04:LTS"]
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6ad3f62b2cdf04f6566646cd
Added to database: 10/17/2026, 22:26:51 UTC
Last enriched: 10/18/2026, 01:07:05 UTC
Last updated: 10/18/2026, 01:07:05 UTC
Views: 3
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