High severity · published Oct 2, 2026
CVE-2026-94654
Apache Thrift: Python `TNonblockingServer` busy-loops and stops selecting all fds after an 8192-byte-boundary frame
8.2
CVSS
0.3%
EPSS
No
On KEV
Description
Loop with unreachable exit condition ('infinite loop') vulnerability in Apache Thrift python 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 26% 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-2026-94654
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-94654
vendor-advisory
https://lists.apache.org/thread/33otcgbqd27wf6qq810q56znzbomnhg1
vendor-advisory
https://lists.apache.org/thread/kx3xdttoypl8j4dcxmqbq9dwy1w0kr7j
More from Apache Thrift
9.8
CVE-2026-55971
Apache Thrift: C++ ZLIB heap buffer overflow (write) in THeaderTransport::untransform()
9.2
CVE-2026-83632
Apache Thrift: C++ THttpTransport grows its line buffer without bound
9.2
CVE-2026-91135
Apache Thrift: C++ `THeaderTransport::transform()` heap buffer overflow (write direction)
9.1
CVE-2026-58662
Apache Thrift: C++ THeaderTransport::readString() info-header length bounds bypass
9.1
CVE-2026-58023
Apache Thrift: c_glib heap out-of-bounds read in transport leftover-bytes path