CVE-2026-112079CWE-20CWE-502insecure-deserialization

CVE-2026-112079

Medium · published October 19, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
16.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L
CVSS v4.0
5.3 · 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
EPSS
0.00261 · 16.9th percentile
Weaknesses
CWE-20 · Improper Input Validation; CWE-502 · Deserialization of Untrusted Data
Published
2026-10-19T09:17Z
References (7)
https://github.com/hankcs/HanLP/ · [email protected]https://github.com/hankcs/HanLP/issues/1968 · [email protected]https://github.com/user-attachments/files/32910161/hanlp-ddb1299-vocab-pickle-poc.zip · [email protected]https://vuldb.com/cve/CVE-2026-112079 · [email protected]https://vuldb.com/submit/1009644 · [email protected]https://vuldb.com/vuln/421758 · [email protected]https://vuldb.com/vuln/421758/cti · [email protected]
EPSS history
Timeline
  • 20 OCT 03:29Z
    EPSS moved — → 0%
    epss
  • 19 OCT 04:45Z
    hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization
    cvelistv5
  • 19 OCT 04:45Z
    hankcs HanLP torch_util.py load_word2vec_as_vocab_tensor deserialization
    cvelistv5