CVE-2026-90440 PUBLISHED

Apache Thrift: An exception escaping a libevent callback stops the D library's non-blocking server, allowing an unauthenticated remote attacker to deny service

Assigner: apache
Reserved: 11.09.2026 Published: 02.10.2026 Updated: 02.10.2026

Uncaught exception, improper handling of exceptional conditions, improper resource shutdown vulnerability in Apache Thrift D thrift.server.nonblocking.TNonblockingServer.

This issue affects Apache Thrift: before 0.25.0.

Users are recommended to upgrade to version 0.25.0, which fixes the issue.

Metrics

CVSS 4.0

CVSS Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
CVSS Score: 8.2

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Network	Confidentiality	None	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	Present	Availability	High	Availability	None
Privileges Required	None
User Interaction	None

CVSS 4.0

Product Status

Vendor	Apache Software Foundation
Product	Apache Thrift
Versions	Default: unaffected affected from 0 to 0.25.0 (excl.)

References

Problem Types

CWE-248 Uncaught exception CWE
CWE-755 improper handling of exceptional conditions CWE
CWE-404 improper resource shutdown CWE