TI-2026-76246 Aliases CVE-2026-112081 GHSA-g4wc-qgxw-hw24

Deserialization flaw in hankcs HanLP hanlp.load allows remote attacks

MEDIUM 57CWE-20Published 2026-10-19 · Updated 2026-10-22

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Code execution
Confidentiality · integrity · availability: Low · Low · Low
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

hankcs HanLP versions 2.1.0-beta.0 through 2.1.0-beta.64 are affected. Manipulating the classpath argument of the hanlp.load function in reflection.py causes deserialization of untrusted data (CWE-502). A remote attacker can trigger this, and the exploit has been publicly disclosed. The project was informed through an issue report but has not responded.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

A vulnerability was determined in hankcs HanLP up to 2.1.0-beta.64. This affects the function hanlp.load of the file plugins/hanlp_common/hanlp_common/reflection.py of the component Model Config Loading. This manipulation of the argument classpath causes deserialization. It is possible to initiate the attack 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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00337 27th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
hankcs	HanLP	2.1.0-beta.0; 2.1.0-beta.1; 2.1.0-beta.2; 2.1.0-beta.3; 2.1.0-beta.4; 2.1.0-beta.5; 2.1.0-beta.6; 2.1.0-beta.7; 2.1.0-beta.8; 2.1.0-beta.9; 2.1.0-beta.10; 2.1.0-beta.11; 2.1.0-beta.12; 2.1.0-beta.13; 2.1.0-beta.14; 2.1.0-beta.15; 2.1.0-beta.16; 2.1.0-beta.17; 2.1.0-beta.18; 2.1.0-beta.19; 2.1.0-beta.20; 2.1.0-beta.21; 2.1.0-beta.22; 2.1.0-beta.23; 2.1.0-beta.24; 2.1.0-beta.25; 2.1.0-beta.26; 2.1.0-beta.27; 2.1.0-beta.28; 2.1.0-beta.29; 2.1.0-beta.30; 2.1.0-beta.31; 2.1.0-beta.32; 2.1.0-beta.33; 2.1.0-beta.34; 2.1.0-beta.35; 2.1.0-beta.36; 2.1.0-beta.37; 2.1.0-beta.38; 2.1.0-beta.39; 2.1.0-beta.40; 2.1.0-beta.41; 2.1.0-beta.42; 2.1.0-beta.43; 2.1.0-beta.44; 2.1.0-beta.45; 2.1.0-beta.46; 2.1.0-beta.47; 2.1.0-beta.48; 2.1.0-beta.49; 2.1.0-beta.50; 2.1.0-beta.51; 2.1.0-beta.52; 2.1.0-beta.53; 2.1.0-beta.54; 2.1.0-beta.55; 2.1.0-beta.56; 2.1.0-beta.57; 2.1.0-beta.58; 2.1.0-beta.59; 2.1.0-beta.60; 2.1.0-beta.61; 2.1.0-beta.62; 2.1.0-beta.63; 2.1.0-beta.64	—	No fix listed	CNA

HanLP Vendorhankcs Affected 2.1.0-beta.0; 2.1.0-beta.1; 2.1.0-beta.2; 2.1.0-beta.3; 2.1.0-beta.4; 2.1.0-beta.5; 2.1.0-beta.6; 2.1.0-beta.7; 2.1.0-beta.8; 2.1.0-beta.9; 2.1.0-beta.10; 2.1.0-beta.11; 2.1.0-beta.12; 2.1.0-beta.13; 2.1.0-beta.14; 2.1.0-beta.15; 2.1.0-beta.16; 2.1.0-beta.17; 2.1.0-beta.18; 2.1.0-beta.19; 2.1.0-beta.20; 2.1.0-beta.21; 2.1.0-beta.22; 2.1.0-beta.23; 2.1.0-beta.24; 2.1.0-beta.25; 2.1.0-beta.26; 2.1.0-beta.27; 2.1.0-beta.28; 2.1.0-beta.29; 2.1.0-beta.30; 2.1.0-beta.31; 2.1.0-beta.32; 2.1.0-beta.33; 2.1.0-beta.34; 2.1.0-beta.35; 2.1.0-beta.36; 2.1.0-beta.37; 2.1.0-beta.38; 2.1.0-beta.39; 2.1.0-beta.40; 2.1.0-beta.41; 2.1.0-beta.42; 2.1.0-beta.43; 2.1.0-beta.44; 2.1.0-beta.45; 2.1.0-beta.46; 2.1.0-beta.47; 2.1.0-beta.48; 2.1.0-beta.49; 2.1.0-beta.50; 2.1.0-beta.51; 2.1.0-beta.52; 2.1.0-beta.53; 2.1.0-beta.54; 2.1.0-beta.55; 2.1.0-beta.56; 2.1.0-beta.57; 2.1.0-beta.58; 2.1.0-beta.59; 2.1.0-beta.60; 2.1.0-beta.61; 2.1.0-beta.62; 2.1.0-beta.63; 2.1.0-beta.64 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:hankcs:hanlp::::::::	—	—	hankcs

cpe:2.3:a:hankcs:hanlp:*:*:*:*:*:*:*:* Versions — — ·hankcs

Remediation

The sources list no fixed version for hankcs HanLP.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Timeline

2026-10-19 Threatist record created from CVE-2026-112081
2026-10-19 Alias added: GHSA-g4wc-qgxw-hw24
2026-10-22 CISA SSVC decision points changed
2026-10-22 Priority changed: LOW → MEDIUM

References

Exploit 1

https://github.com/user-attachments/files/32911743/poc.zip

Other 2

TI-2026-76241 Deserialization flaw in hankcs HanLP word2vec vocab loading CVSS 4.0MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences