---
id: CVE-2026-112079
title: hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization
summary: >-
  A vulnerability has been found in hankcs HanLP up to 2.1.0-beta.64. The
  affected element is the function load_word2vec_as_vocab_tensor of the file
  hanlp/utils/torch_util.py. The manipulation of the argument vectors.vocab
  leads to deseria…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'
cvssSource: cna
cwe:
  - CWE-502
  - CWE-20
vendor: hankcs
product: HanLP
affected:
  - HanLP 2.1.0-beta.0
  - HanLP 2.1.0-beta.1
  - HanLP 2.1.0-beta.2
  - HanLP 2.1.0-beta.3
  - HanLP 2.1.0-beta.4
  - HanLP 2.1.0-beta.5
  - HanLP 2.1.0-beta.6
  - HanLP 2.1.0-beta.7
  - HanLP 2.1.0-beta.8
  - HanLP 2.1.0-beta.9
  - HanLP 2.1.0-beta.10
  - HanLP 2.1.0-beta.11
  - HanLP 2.1.0-beta.12
  - HanLP 2.1.0-beta.13
  - HanLP 2.1.0-beta.14
  - HanLP 2.1.0-beta.15
  - HanLP 2.1.0-beta.16
  - HanLP 2.1.0-beta.17
  - HanLP 2.1.0-beta.18
  - HanLP 2.1.0-beta.19
  - HanLP 2.1.0-beta.20
  - HanLP 2.1.0-beta.21
  - HanLP 2.1.0-beta.22
  - HanLP 2.1.0-beta.23
  - HanLP 2.1.0-beta.24
  - HanLP 2.1.0-beta.25
  - HanLP 2.1.0-beta.26
  - HanLP 2.1.0-beta.27
  - HanLP 2.1.0-beta.28
  - HanLP 2.1.0-beta.29
  - HanLP 2.1.0-beta.30
  - HanLP 2.1.0-beta.31
  - HanLP 2.1.0-beta.32
  - HanLP 2.1.0-beta.33
  - HanLP 2.1.0-beta.34
  - HanLP 2.1.0-beta.35
  - HanLP 2.1.0-beta.36
  - HanLP 2.1.0-beta.37
  - HanLP 2.1.0-beta.38
  - HanLP 2.1.0-beta.39
  - HanLP 2.1.0-beta.40
  - HanLP 2.1.0-beta.41
  - HanLP 2.1.0-beta.42
  - HanLP 2.1.0-beta.43
  - HanLP 2.1.0-beta.44
  - HanLP 2.1.0-beta.45
  - HanLP 2.1.0-beta.46
  - HanLP 2.1.0-beta.47
  - HanLP 2.1.0-beta.48
  - HanLP 2.1.0-beta.49
published: '2026-10-19'
updated: '2026-10-19'
sourceUpdated: '2026-10-19T04:45:08.929Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-112079'
references:
  - url: 'https://vuldb.com/vuln/421758'
    label: >-
      VDB-421758 | hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor
      deserialization
  - url: 'https://vuldb.com/vuln/421758/cti'
    label: 'VDB-421758 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-112079'
    label: CVE-2026-112079 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/1009644'
    label: >-
      Submit #1009644 | hankcs HanLP commit
      ddb1299bddff079e447af52ec12549c50636bfa8 (2.1.0-beta.64) Insecure
      Deserialization
  - url: 'https://github.com/hankcs/HanLP/issues/1968'
  - url: >-
      https://github.com/user-attachments/files/32910161/hanlp-ddb1299-vocab-pickle-poc.zip
  - url: 'https://github.com/hankcs/HanLP/'
tags:
  - cve.org
ingestedAt: '2026-10-19T07:09:59.605Z'
---

## Overview

A vulnerability has been found in hankcs HanLP up to 2.1.0-beta.64. The affected element is the function load_word2vec_as_vocab_tensor of the file hanlp/utils/torch_util.py. The manipulation of the argument vectors.vocab leads to deserialization. The attack is possible to be carried out remotely. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.

## Affected

- `HanLP 2.1.0-beta.0`
- `HanLP 2.1.0-beta.1`
- `HanLP 2.1.0-beta.2`
- `HanLP 2.1.0-beta.3`
- `HanLP 2.1.0-beta.4`
- `HanLP 2.1.0-beta.5`
- `HanLP 2.1.0-beta.6`
- `HanLP 2.1.0-beta.7`
- `HanLP 2.1.0-beta.8`
- `HanLP 2.1.0-beta.9`
- `HanLP 2.1.0-beta.10`
- `HanLP 2.1.0-beta.11`
- `HanLP 2.1.0-beta.12`
- `HanLP 2.1.0-beta.13`
- `HanLP 2.1.0-beta.14`
- `HanLP 2.1.0-beta.15`
- `HanLP 2.1.0-beta.16`
- `HanLP 2.1.0-beta.17`
- `HanLP 2.1.0-beta.18`
- `HanLP 2.1.0-beta.19`
- `HanLP 2.1.0-beta.20`
- `HanLP 2.1.0-beta.21`
- `HanLP 2.1.0-beta.22`
- `HanLP 2.1.0-beta.23`
- `HanLP 2.1.0-beta.24`
- `HanLP 2.1.0-beta.25`
- `HanLP 2.1.0-beta.26`
- `HanLP 2.1.0-beta.27`
- `HanLP 2.1.0-beta.28`
- `HanLP 2.1.0-beta.29`
- `HanLP 2.1.0-beta.30`
- `HanLP 2.1.0-beta.31`
- `HanLP 2.1.0-beta.32`
- `HanLP 2.1.0-beta.33`
- `HanLP 2.1.0-beta.34`
- `HanLP 2.1.0-beta.35`
- `HanLP 2.1.0-beta.36`
- `HanLP 2.1.0-beta.37`
- `HanLP 2.1.0-beta.38`
- `HanLP 2.1.0-beta.39`
- `HanLP 2.1.0-beta.40`
- `HanLP 2.1.0-beta.41`
- `HanLP 2.1.0-beta.42`
- `HanLP 2.1.0-beta.43`
- `HanLP 2.1.0-beta.44`
- `HanLP 2.1.0-beta.45`
- `HanLP 2.1.0-beta.46`
- `HanLP 2.1.0-beta.47`
- `HanLP 2.1.0-beta.48`
- `HanLP 2.1.0-beta.49`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.