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CVE-2026-112079hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization

Description

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.

Public exploit

An exploit or proof of concept is public: anyone can try it against an unpatched system. A reference of the record is tagged as an exploit. CISA's SSVC rates its exploitation: a proof of concept is public.

Show the exploits1

References tagged exploit1 reference

Timeline

  1. ID reserved

    By VulDB

  2. · 1 day later

    Published

Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.

Scores

CVSS scores of CVE-2026-112079, by who scored it
Scored byCVSSScoreVector
VulDBCNA (assigner)4.0Medium5.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
VulDBCNA (assigner)3.1Medium6.3CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
VulDBCNA (assigner)3.0Medium6.3CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C
VulDBCNA (assigner)2.0High7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C
NVDNVD · Deferred4.0Low2.1CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.26% · top 82% of all CVEs (14 Nov 2026)
CISA SSVC
Exploitation: poc · Automatable: yes · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.3.

Affected products

  • hankcs · HanLP

    • affected 2.1.0-beta.0
    • affected 2.1.0-beta.1
    • affected 2.1.0-beta.2
    • affected 2.1.0-beta.3
    • affected 2.1.0-beta.4
    • affected 2.1.0-beta.5
    • affected 2.1.0-beta.6
    • affected 2.1.0-beta.7
    • affected 2.1.0-beta.8
    • affected 2.1.0-beta.9
    • affected 2.1.0-beta.10
    • affected 2.1.0-beta.11
    • affected 2.1.0-beta.12
    • affected 2.1.0-beta.13
    • affected 2.1.0-beta.14
    • affected 2.1.0-beta.15
    • affected 2.1.0-beta.16
    • affected 2.1.0-beta.17
    • affected 2.1.0-beta.18
    • affected 2.1.0-beta.19
    • affected 2.1.0-beta.20
    • affected 2.1.0-beta.21
    • affected 2.1.0-beta.22
    • affected 2.1.0-beta.23
    • affected 2.1.0-beta.24
    • affected 2.1.0-beta.25
    • affected 2.1.0-beta.26
    • affected 2.1.0-beta.27
    • affected 2.1.0-beta.28
    • affected 2.1.0-beta.29
    • affected 2.1.0-beta.30
    • affected 2.1.0-beta.31
    • affected 2.1.0-beta.32
    • affected 2.1.0-beta.33
    • affected 2.1.0-beta.34
    • affected 2.1.0-beta.35
    • affected 2.1.0-beta.36
    • affected 2.1.0-beta.37
    • affected 2.1.0-beta.38
    • affected 2.1.0-beta.39
    • and 25 more

References

References7

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .