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TensorFlow 2.16.1-11 may unintentionally send data to a rogue TFTP server

published 15 days ago

Summary

TensorFlow version 2.16.1-11 uses libcurl, which can be tricked by a malicious TFTP server into switching from download mode to upload mode. This can cause the program to transmit data that was meant for other operations, potentially exposing sensitive information. Update TensorFlow to a version that includes the libcurl fix or restrict TensorFlow from contacting untrusted TFTP servers.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software

Ecosystem	Vendor	Product	Affected versions
Azure Linux:3	azure	tensorflow	<= 2.16.1-11

Original advisory text

CVE-2026-92389 affecting package tensorflow 2.16.1-11

libcurl's TFTP state machine fails to validate state transitions against the
requested transfer direction, accepting opening server responses for both
reads and writes interchangeably. A malicious TFTP server can respond to a
download request in a way that forces the client into transmit mode, prompting
libcurl to consume and transmit data from the handle's persistent
`CURLOPT_READDATA` pointer - including data remaining from unrelated prior
operations, such as an HTTP POST request executed on a reused handle.

References

https://nvd.nist.gov/vuln/detail/CVE-2026-92389 URL

Timeline

Published20 Oct 2026

Updated23 Oct 2026

First seen23 Oct 2026

Sources

AZL-110301 · OSV

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