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Vulnerability record · CVE-2026-43869 · published 5 May 2026

CVE-2026-43869: Apache thrift improper certificate validation vulnerability

Apache · Thrift

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.

7.3 CVSS 3.1 High EPSS 0.81% · top 44.9% CWE-297 · CWE-297CWE-295 · Improper certificate validation
7.3CVSS 3.1 base score
0.81%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
9 Sep 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://lists.apache.org/thread/3hsgl1b69wzq3ry39scqbv2dhyl3j52r Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/05/3 Mailing ListThird Party Advisory
https://access.redhat.com/errata/RHSA-2026:21769
https://access.redhat.com/errata/RHSA-2026:22347
https://access.redhat.com/errata/RHSA-2026:22423
https://access.redhat.com/errata/RHSA-2026:23345
https://access.redhat.com/errata/RHSA-2026:24503
https://access.redhat.com/errata/RHSA-2026:24539
https://access.redhat.com/errata/RHSA-2026:25273
https://access.redhat.com/errata/RHSA-2026:26586
https://access.redhat.com/errata/RHSA-2026:27126
https://access.redhat.com/errata/RHSA-2026:28010
https://access.redhat.com/errata/RHSA-2026:30651
https://access.redhat.com/errata/RHSA-2026:36882
https://access.redhat.com/errata/RHSA-2026:42644
https://access.redhat.com/security/cve/CVE-2026-43869
https://bugzilla.redhat.com/show_bug.cgi?id=2466660
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-43869.json

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-43869), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.