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.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact Low

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact Low

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact Low

User Interaction Required

Access Vector Network

Access Complexity Low

Authentication None

Confidentiality Impact Partial

Integrity Impact Partial

Availability Impact Partial

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Hankcs Subscribe
Hanlp Subscribe

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Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://github.com/hankcs/HanLP/ cve-icon cve-icon
https://github.com/hankcs/HanLP/issues/1968 cve-icon cve-icon
https://github.com/user-attachments/files/32910161/hanlp-ddb1299-vocab-pickle-poc.zip cve-icon cve-icon
https://vuldb.com/cve/CVE-2026-112079 cve-icon cve-icon
https://vuldb.com/submit/1009644 cve-icon cve-icon
https://vuldb.com/vuln/421758 cve-icon cve-icon
https://vuldb.com/vuln/421758/cti cve-icon cve-icon
History

Mon, 19 Oct 2026 05:00:00 +0000

Type Values Removed Values Added
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.
Title hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization
First Time appeared Hankcs
Hankcs hanlp
Weaknesses CWE-20
CWE-502
CPEs cpe:2.3:a:hankcs:hanlp:*:*:*:*:*:*:*:*
Vendors & Products Hankcs
Hankcs hanlp
References
Metrics cvssV2_0

{'score': 7.5, 'vector': 'AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:ND/RC:C'}

cvssV3_0

{'score': 6.3, 'vector': 'CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C'}

cvssV3_1

{'score': 6.3, 'vector': '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'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS: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'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulDB

Published:

Updated: 2026-10-19T04:45:08.929Z

Reserved: 2026-10-18T14:05:59.370Z

Link: CVE-2026-112079

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-10-19T05:17:04.773

Modified: 2026-10-19T05:17:04.773

Link: CVE-2026-112079

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-19T06:30:06Z

Weaknesses