PyPI/langchain-core CVE-2026-44843: high 8.2, EPSS 0.41%
LangChain vulnerable to unsafe deserialization of attacker-controlled objects through overly broad `load()` allowlists
Action: Upgrade langchain-core to 0.3.85 or later.
pip install langchain-core==0.3.85pip install langchain-core==1.3.3Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 0.3.85 | - |
| 1.0.0 | 1.3.3 | - |
Fixed versions
| 0.3.85 | 1.3.3 |
Sources
- osv: PYSEC-2026-2564
- https://github.com/langchain-ai/langchain/security/advisories/GHSA-pjwx-r37v-7724
- https://nvd.nist.gov/vuln/detail/CVE-2026-44843
- https://github.com/langchain-ai/langchain
- https://pypi.org/project/langchain-core
- https://github.com/advisories/GHSA-pjwx-r37v-7724
CVE-2026-44843 · published · modified · JSON