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.

EPSS: 0.003 (48.7th percentile) — read the EPSS interpretation.

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.

Affected products

Apache Thrift
Apache Software Foundation Thrift — versions 0

Weakness classification (CWE)

CWE-789

References

security@apache.org (vendor-advisory, Vendor Advisory)

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.