CVE-2025-68665Published

LangChain serialization injection vulnerability enables secret extraction

cve-program · CVE-2025-68665

Published

langchainjs

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "vendor": "langchain-ai",
                    "product": "langchainjs",
                    "versions": [
                        {
                            "version": "@langchain/core >= 1.0.0, < 1.1.8",
                            "status": "affected"
                        },
                        {
                            "version": "@langchain/core < 0.3.80",
                            "status": "affected"
                        },
                        {
                            "version": "langchain >= 1.0.0, < 1.2.3",
                            "status": "affected"
                        },
                        {
                            "version": "langchain < 0.3.37",
                            "status": "affected"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2025-204846

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Dec 23, 2025, 10:56:04 PM

dateUpdated: Dec 24, 2025, 2:38:40 PM

2 related source bulletins · separate from aliases

WID-SEC-W-2025-2936: LangChain: Mehrere Schwachstellen ermöglichen Offenlegung von Informationen

CVE-2025-68664 · CVE-2025-68665

RHSA-2026:3713: Red Hat Security Advisory: RHOAI 3.3 - Red Hat OpenShift AI

CVE-2024-25621 · CVE-2025-6242 · CVE-2025-12638 · CVE-2025-12816 · CVE-2025-14180 · CVE-2025-14920 · CVE-2025-14921 · CVE-2025-14922 · CVE-2025-14924 · CVE-2025-14925 · CVE-2025-14926 · CVE-2025-14927 · CVE-2025-14928 · CVE-2025-14929 · CVE-2025-14930 · CVE-2025-15284 · CVE-2025-48956 · CVE-2025-52881 · CVE-2025-59425 · CVE-2025-61726 · CVE-2025-61729 · CVE-2025-62164 · CVE-2025-62593 · CVE-2025-64756 · CVE-2025-66031 · CVE-2025-66034 · CVE-2025-66416 · CVE-2025-66418 · CVE-2025-66448 · CVE-2025-66471 · CVE-2025-66506 · CVE-2025-66626 · CVE-2025-67725 · CVE-2025-67726 · CVE-2025-68156 · CVE-2025-68476 · CVE-2025-68665 · CVE-2025-69223 · CVE-2025-69872 · CVE-2026-0897 · CVE-2026-1260 · CVE-2026-21441 · CVE-2026-22778 · CVE-2026-22807 · CVE-2026-24049 · CVE-2026-24486

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2025-68665

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-502

Original publisher date fields

published: 2025-12-23T23:15:45.097

lastModified: 2026-10-19T22:10:00.130

2 source CPE criteria · context only

cpe:2.3:a:langchain:langchain.js:*:*:*:*:*:*:*:*
cpe:2.3:a:langchain:langchain\/core:*:*:*:*:*:node.js:*:*

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-r399-636x-v7f6

Published

@langchain/core

npm

SEMVER · introduced 1.0.0 → fixed 1.1.8

@langchain/core

npm

SEMVER · introduced 0 → fixed 0.3.80

langchain

npm

SEMVER · introduced 1.0.0 → fixed 1.2.3

langchain

npm

SEMVER · introduced 0 → fixed 0.3.37

Original source record · Cite this exact observation · Complete original publisher JSON