CVE-2026-43869

HIGHNVD 7.37.3—Trending — Patch released this week

7.3

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 v3: 7.3
EG Score: 7.3(high)
EPSS: 10.9%
KEV: Not listed

Published

May 5, 2026

Last Modified

May 6, 2026

Advisory Details (2)

Auto-updated May 6, 2026

No patch confirmed yet.

generic

oss-security - CVE-2026-43869: Apache Thrift: TSSLTransportFactory.java hostname verification

http://www.openwall.com/lists/oss-security/2026/05/05/3

generic

https://lists.apache.org/thread/3hsgl1b69wzq3ry39scqbv2dhyl3j52r

Vendor Advisories for CVE-2026-43869(5)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(4)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
redhat	multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779212259	2026-06-02	redhat
redhat	multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1779579439	2026-06-01	redhat
redhat	multicluster-globalhub/multicluster-globalhub-grafana-rhel9:1778867753	2026-05-28	redhat
maven	org.apache.thrift:libthrift	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

Maven(1)

Package	Vulnerable range	Fixed in	Dependents
org.apache.thrift:libthrift	0.10.0 ... 0.9.3-1 (24 versions)	—	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-297Improper Validation of Certificate with Host Mismatch

Data Freshness Timeline

(refreshed 20× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-03 10:14 UTCEG score recompute
2026-06-03 10:14 UTCVendor advisory
2026-06-02 22:08 UTCEG score recompute
2026-06-02 22:08 UTCVendor advisory
2026-06-02 22:08 UTCGHSA enrichment
2026-06-02 20:13 UTCepss_batch
2026-06-02 10:03 UTCEG score recompute
2026-06-02 10:03 UTCVendor advisory
2026-06-02 10:03 UTCGHSA enrichment
2026-06-01 21:58 UTCEG score recompute
2026-06-01 21:58 UTCVendor advisory
2026-06-01 21:58 UTCGHSA enrichment
2026-06-01 13:52 UTCepss_batch
2026-06-01 13:52 UTCepss_batch
2026-06-01 09:54 UTCEG score recompute
2026-06-01 09:54 UTCVendor advisory
2026-06-01 09:54 UTCGHSA enrichment
2026-05-31 22:30 UTCepss_batch
2026-05-31 22:30 UTCepss_batch
2026-05-31 00:16 UTCepss_batch

Frequently asked(5)

What is CVE-2026-43869?

CVE-2026-43869 is a high vulnerability published on May 5, 2026. 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.

When was CVE-2026-43869 disclosed?

CVE-2026-43869 was first published in the National Vulnerability Database on May 5, 2026, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2026-43869 actively exploited?

CVE-2026-43869 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 10.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2026-43869?

CVE-2026-43869 has a CVSS v3 base score of 7.3 (NVD).

How do I remediate CVE-2026-43869?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-43869, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-43869

Explore →

Is Your Infrastructure Affected by CVE-2026-43869?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs