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Vulnerability · Published May 5, 2026 · Assigned by apache

CVE-2026-43870Apache Thrift: Node.js web_server.js multi-vulnerability

High 7.3

In plain English

A high-severity path traversal in Apache Thrift from Apache Software Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 32% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)7.3High
Exploit odds (30 days)0.4%top 68.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12thriftno fix listedDEBIAN-CVE-2026-43870
Debian:13thriftno fix listedDEBIAN-CVE-2026-43870
Debian:14thrift0.23.0-3DEBIAN-CVE-2026-43870
Ubuntu:22.04:LTSthriftno fix listedUBUNTU-CVE-2026-43870
Ubuntu:24.04:LTSthriftno fix listedUBUNTU-CVE-2026-43870
Ubuntu:25.10thriftno fix listedUBUNTU-CVE-2026-43870
Ubuntu:26.04:LTSthriftno fix listedUBUNTU-CVE-2026-43870
Ubuntu:26.10thriftno fix listedUBUNTU-CVE-2026-43870
npmthriftno fix listedGHSA-526f-jxpj-jmg2

Affected products (as reported)

VendorProductVersions
Apache Software Foundation Apache Thrift 0 – before 0.23.0

Weakness: CWE-346, CWE-22, CWE-113, CWE-400 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

References