What is CVE-2026-43868?

CVE-2026-43868 is a medium-severity vulnerability in Apache Thrift, classified under CWE-789. CVSS score: 5.3/10. Published 2026-05-05.

How severe is CVE-2026-43868?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Apache Thrift

CVE-2026-43868

Memory Allocation with Excessive Size Value 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.

Published 2026-05-05 · last modified 2026-07-21.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.012 (67.7th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 67.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.012 · change: +0.005

Affected products

Apache Thrift
Apache Software Foundation Thrift — versions 0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-43868?: CVE-2026-43868 is a medium-severity vulnerability in Apache Thrift, classified under CWE-789. CVSS score: 5.3/10. Published 2026-05-05.
How severe is CVE-2026-43868?: Medium severity. CVSS v3 base score is 5.3 out of 10.