High severity · published May 5, 2026
CVE-2026-43870
Apache Thrift: Node.js web_server.js multi-vulnerability
7.3
CVSS
0.4%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
Low
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AT
Apache Thrift · Apache Software Foundation
before 0.23.0 · source: vendor
TH
Thrift · Apache
before 0.23.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-43870
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-43870
Vendor Advisory
https://lists.apache.org/thread/pgtfq44ltc9t63kxcbqmwqzt45pnhqdy
Mailing List
http://www.openwall.com/lists/oss-security/2026/05/05/4
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