CVEs / CVE-2026-14742
CVE-2026-14742
A vulnerability was determined in langchain-ai langgraph up to 1.2.4. The affected element is the function _freeze of the file libs/langgraph/langgraph/_internal/_cache.py of the component Task Result Cache. This manipulation of the argument default_cache_key causes use of weak hash. The attack is possible to be carried out remotely. The complexity of an attack is rather high. The exploitability is described as difficult. The exploit has been publicly disclosed and may be utilized. The pull request to fix this issue awaits acceptance.
Affected products · 2
| Product | Versions affected | Fixed in |
|---|---|---|
| LangChain | not stated by CPE | — |
| LangGraph | not stated by CPE | — |
Versions as NVD's CPE configuration states them; "—" means the record gives no fixed version, not that none exists. Check the vendor's advisory in the references.
In this registry
- LangChain — agent dossier
- LangChain Deep Agents — agent dossier
- LangGraph — agent dossier
References · 7
- github.com/langchain-ai/langgraph/
- github.com/langchain-ai/langgraph/issues/8009
- github.com/langchain-ai/langgraph/pull/8069
- vuldb.com/cve/CVE-2026-14742
- vuldb.com/submit/849217
- vuldb.com/vuln/376328
- vuldb.com/vuln/376328/cti
The official record's references, as NVD lists them, minus any tagged Exploit. Nothing here is an exploit or a proof of concept.
Description, scores, versions and references are the official CVE record's own, retrieved 2026-10-26 from NVD. Category, attack surface and cross-links are this registry's classification and can be wrong — use the button above. Not a severity assessment for your deployment.