High severity · published Oct 2, 2026
CVE-2026-86535
Apache Thrift: A JSON member name can stall the Node server's event loop indefinitely
8.7
CVSS
0.4%
EPSS
No
On KEV
Description
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 29% 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 0.25.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-86535
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-86535
vendor-advisory
https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
vendor-advisory
https://lists.apache.org/thread/94cvvzzl0rh707bn2j4zt844v547508g
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