CVE-2026-43870

Name: CVE-2026-43870
Creator: NVD / NIST
Published: 2026-05-05T09:16:04.34+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.3/10EPSS 0.39%

Last modified Jun 17, 2026

CVE-2026-43870 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. Origin Validation Error, Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting'), Uncontrolled Resource Consumption 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 estimates a 0.39% chance of exploitation in the next 30 days.

Description

Origin Validation Error, Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal'), Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting'), Uncontrolled Resource Consumption 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.

Metrics

CVSS 3.1

7.3/10

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

EPSS Probability

0.39%

31.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Apache	Thrift	< 0.23.0

References

https://lists.apache.org/thread/pgtfq44ltc9t63kxcbqmwqzt45pnhqdyVendor Advisory
http://www.openwall.com/lists/oss-security/2026/05/05/4Mailing List, Third Party Advisory

Timeline

Published: May 5, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-43870?

How severe is CVE-2026-43870?

CVE-2026-43870 has a CVSS score of 7.3/10 (HIGH severity). The EPSS model estimates a 0.39% probability of exploitation in the next 30 days.

How do I fix CVE-2026-43870?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-43870?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST