CVE-2026-14742

LOW

langchain-ai langgraph Task Result Cache _cache.py _freeze weak hash

Title source: cna
STIX 2.1

Description

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.

References (7)

Core 7
Core References
Vdb Entry, Technical Description vdb-entry technical-description
VDB-376328 | langchain-ai langgraph Task Result Cache _cache.py _freeze weak hash
https://vuldb.com/vuln/376328
Signature, Permissions Required signature permissions-required
VDB-376328 | CTI Indicators (IOB, IOC, TTP, IOA)
https://vuldb.com/vuln/376328/cti
Third Party Advisory third-party-advisory
CVE-2026-14742 | CVE Analysis and Report
https://vuldb.com/cve/CVE-2026-14742
Third Party Advisory third-party-advisory
Submit #849217 | langchain-ai langgraph 1.2.4 Use of Weak Hash
https://vuldb.com/submit/849217

Scores

CVSS v3 3.1
EPSS 0.0016
EPSS Percentile 5.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-327 CWE-328
Status published
Products (5)
langchain-ai/langgraph 1.2.0
langchain-ai/langgraph 1.2.1
langchain-ai/langgraph 1.2.2
langchain-ai/langgraph 1.2.3
langchain-ai/langgraph 1.2.4
Published Jul 05, 2026
Tracked Since Jul 05, 2026