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CVE-2026-43869

34
FAUCET Score

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.

First published: May 5, 2026Last modified: May 6, 2026

Impacted Technologies

VendorProductVersion(s)CPE
< 0.23.0CPE matchmatch criteria
cpe:2.3:a:apache:thrift:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.3HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
LOW
Integrity Impact
LOW
Availability Impact
LOW
Exploitability Score
3.9
Impact Score
3.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.63%
Probability of exploitation in next 30 days
EPSS Percentile
46.6%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0063 is in the 23rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

mavenpatch availablevia ghsa
Product: org.apache.thrift:libthriftFixed in: 0.23.0
apachevendor investigatingvia vendor_rss
View patch

Vendor Advisories (3)

microsoft2026-May/CVE-2026-43869Important

Apache Thrift: TSSLTransportFactory.java hostname verification

May 7, 2026
mavenGHSA-7pwc-h2j2-rjgjhigh

Apache Thrift has an Improper Validation of Certificate with Host Mismatch Vulnerability

May 5, 2026
apacheapache:www.mail-archive.com/[email protected]/msg11050.html

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

May 4, 2026

References

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