CVE-2026-86535: Apache Thrift: A JSON member name can stall the Node server's event loop indefinitely

Published Oct 2, 2026
·
Updated

Apache Thrift: A JSON member name can stall the Node server's event loop indefinitely

Other sources

Loop with unreachable exit condition ('infinite loop'), Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift NodeJS bindings with TJSONProtocol.

This issue affects Apache Thrift: before 0.25.0.

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

— NVD

Affected Software

4 affected componentsFixes available
Apache Thrift NodeJS bindings<0.25.0
Microsoft azl3 thrift 0.24.0-1<0.25.0-1
0.25.0-1
IBM App Connect Operator<=CD: 12.1.0 - 12.21.0 12.0 LTS: 12.0.0 - 12.0.28 13 LTS: 13.0.0 - 13.6.0
IBM App Connect EnterpriseCertified Containers Operands<=CD: 12.0.11.1-r1 - 12.0.12.5-r1, 13.0.1.0-r1 - 13.0.6.2-r1 12.0 LTS: 12.0.12-r1 - 12.0.12-r28 13 LTS: 13.0.7.0-r1 - 13.0.9.0-r1

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 0.25.0-1
  2. Upgrade

    Upgrade Apache Thrift NodeJS bindings to a version that resolves this vulnerability.

    Fixed in 0.25.0

Event History

Oct 2, 2026
CVE Published
via MITRE·11:38 AM
Data Sourced
via MITRE·11:38 AM
DescriptionWeakness
Data Sourced
via NVD·12:17 PM
DescriptionSeverityWeakness
Oct 3, 2026
Data Sourced
via Microsoft·08:02 AM
DescriptionSeverityWeaknessAffected Software
Nov 9, 2026
Data Sourced
via IBM·12:00 AM
DescriptionAffected Software

Parent advisories

This vulnerability appears in the following advisories.

Frequently Asked Questions

1

Which deployments are affected?

The issue affects Apache Thrift NodeJS bindings that use TJSONProtocol and are running a version before 0.25.0.

2

What is the impact of exploitation?

A crafted JSON member name can trigger an infinite loop that stalls the Node server's event loop indefinitely. The issue also involves improper control of object prototype attributes.

3

What remediation is available?

Upgrade Apache Thrift to version 0.25.0, which fixes the issue.

Contact

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