CVE-2026-19319: IBM Watson Speech Services Cartridge out-of-bounds read in ONNX

CVE-2026-19319 · Severity: medium · CVSS 5.3 · Published 2026-11-04

IBM Watson Speech Services Cartridge, a speech processing component used in data analytics platforms, is vulnerable to an out-of-bounds read in its ONNX runtime that could allow a remote attacker to read sensitive information from memory. The vulnerability affects versions 4.0.0 through 5.4.0 and requires no authentication or user interaction to exploit.

Technologies: IBM Watson Speech Services Cartridge. Vendors: IBM.

Quick answers

Is CVE-2026-19319 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-19319 being exploited in the wild.
How severe is CVE-2026-19319?
Medium severity, with a CVSS score of 5.3, published 4 November 2026.
Which products and versions are affected?
IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0.
Is there a fix for CVE-2026-19319?
Yes: fixed in 5.4.0 Patch 8. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-19319 attacked?
It is attacked over the network, in a network appliance.
Am I affected by CVE-2026-19319?
Check whether you run IBM Watson Speech Services Cartridge at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 5.4.0 Patch 8

Technical details

An out-of-bounds read vulnerability in the adapt_gemm_7_6 function of the ONNX runtime component affects IBM Watson Speech Services Cartridge versions 4.0.0–5.4.0. The flaw can be triggered remotely by sending specific malformed input, allowing an attacker to read sensitive data from memory without authentication. The vulnerability has been patched in version 5.4.0 Patch 8.

Affected products

  • IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0

Timeline

  • 2026-10-22: disclosed

References

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