CVE-2026-112081 hankcs HanLP Model Config Loading reflection.py hanlp.load deserialization
Remote attackers can execute arbitrary code via unsafe deserialization in HanLP's model config loading, requiring immediate mitigation as no official fix is available.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-112081?
CVE-2026-112081 is a medium-severity unsafe deserialization vulnerability in hankcs HanLP, published on 19 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
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.
Which versions are affected by CVE-2026-112081?
How do I fix CVE-2026-112081?
No fix has been published for CVE-2026-112081 yet. Limit exposure of the affected software until one is available.
Upgrade, and only deserialise data from trusted sources or with an allow-list of types. More about Unsafe deserialization.
Is CVE-2026-112081 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-112081 exists.
Sources
Also known as GHSA-g4wc-qgxw-hw24.