High severity · published Oct 2, 2026
CVE-2026-66055
Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift, Apache Thrift: TJSONProtocol accepts a single JSON string/number exceeding the configured size limit (multi-language)
8.2
CVSS
0.3%
EPSS
No
On KEV
Description
Allocation of Resources Without Limits or Throttling vulnerability in Apache Thrift C++, Java, Go, netstd, Python and Delphi bindings.
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)0.3% · higher than 20% 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; before 0.25.0; before 0.25.0; before 0.25.0; before 0.25.0; before 0.25.0 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-66055
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-66055
vendor-advisory
https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
vendor-advisory
https://lists.apache.org/thread/nxlmlhgsh7fwr4mo1fkhtkw3v266qhcx
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