CVE-2026-14742

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

LOW
3.1
CVSS Score
Published: July 5, 2026 at 10:45 AM UTC
Updated: October 25, 2026 at 03:10 PM UTC
1 product affected across 1 vendorLangGraph

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Severity
LOW3.1
Exploit prediction
EPSS 0.2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/376328
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/376328/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-14742
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/849217
ExploitIssue Tracking
Source: cverecord
https://github.com/langchain-ai/langgraph/issues/8009
Issue TrackingPatch
Source: cverecord
https://github.com/langchain-ai/langgraph/pull/8069

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.1LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-328CWE-327

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