What is CVE-2026-14742?

CVE-2026-14742 is a low-severity vulnerability in Langchain-ai Langgraph, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.1/10. Published 2026-07-05.

How severe is CVE-2026-14742?

Low severity. CVSS v3 base score is 3.1 out of 10.

Vulnerability in Langchain-ai Langgraph

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 argume…

Vulnerability class: POODLE (CVE-2014-3566)

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Langchain-ai Langgraph — versions 1.2.0, 1.2.1, 1.2.2

Weakness classification (CWE)

References

cna@vuldb.com (technical-description, vdb-entry)
cna@vuldb.com (signature, permissions-required)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (third-party-advisory)
cna@vuldb.com (issue-tracking, exploit)
cna@vuldb.com (issue-tracking, patch)
cna@vuldb.com (product)

Frequently asked questions

What is CVE-2026-14742?: CVE-2026-14742 is a low-severity vulnerability in Langchain-ai Langgraph, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 3.1/10. Published 2026-07-05.
How severe is CVE-2026-14742?: Low severity. CVSS v3 base score is 3.1 out of 10.