CVE-2026-86536

Apache Thrift, Apache Thrift, Apache Thrift: A map key from the wire can replace a decoded object's prototype in generated JavaScript

Published Oct 2, 2026 CVSS 4.0 · 6.3 Medium EPSS < 1% KEV · Not listed
Description
Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings.



This issue affects Apache Thrift: before 0.25.0.



Users are recommended to upgrade to version 0.25.0 and re-generate JS code, which fixes the issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Apache
Apache thrift
Vendors & Products Apache
Apache thrift
Type Values Removed Values Added
Description Improperly controlled modification of object prototype attributes ('prototype pollution') vulnerability in Apache Thrift all JS bindings. This issue affects Apache Thrift: before 0.25.0. Users are recommended to upgrade to version 0.25.0 and re-generate JS code, which fixes the issue.
Title Apache Thrift, Apache Thrift, Apache Thrift: A map key from the wire can replace a decoded object's prototype in generated JavaScript
Weaknesses CWE-1321
References
Metrics cvssV4_0

{'score': 6.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Oct 2, 2026, 5:31 PM
Reserved
Sep 7, 2026, 10:00 PM
Status
Deferred
Published
Oct 2, 2026, 12:17 PM
Modified
Oct 2, 2026, 6:17 PM