CVE-2026-43869

Apache Thrift: TSSLTransportFactory.java hostname verification

CVE-2026-43869 is fixed in thrift on 1 platform by DEBIAN-CVE-2026-43869 (version 0.23.0-3), released May 27, 2026. It is not reported as exploited. Patch Radar priority: High.

High

CVSS

7.3

Important

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0063

50th percentile

Improper Validation of Certificate with Host Mismatch vulnerability in Apache Thrift. This issue affects Apache Thrift: before 0.23.0. Users are recommended to upgrade to version 0.23.0, which fixes the issue.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
thrift · Debian 14	0.23.0-3	DEBIAN-CVE-2026-43869	May 27, 2026

Details

Published
May 5, 2026
Weakness
Improper Validation of Certificate with Host Mismatch
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-43869

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