CVE-2024-5998

highpriority · track · 31EPSS 0.004 · 30 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.36% (30th) EPSS

CVSS 7.8 · high

Is it mine?

4 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-27

A vulnerability in the FAISS.deserialize_from_bytes function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the os.system function. The issue affects the latest version of the product.

cvss

Technical severity, 0–10. One row per scoring source.

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5.2–7.8

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 1.8 · impact 5.9

v3.05.2mediumCVSS:3.0/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:Lsecondary · ENISA EU

v3.05.2mediumCVSS:3.0/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:Lsecondary · security@huntr.devexploitability 0.5 · impact 4.7

v3.15.2mediumCVSS:3.1/AV:P/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:Lsecondary · OSV

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: no · Technical Impact: partialcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-502USCWE-502US

affected products (4)

Products and version ranges known to be affected.

langchain-ai langchain-ai/langchainunspecified → 0.2.9enisa_euvdEU
langchain langchain< 0.2.9nvdUScpe:2.3:a:langchain:langchain:*:*:*:*:*:*:*:*
PyPI langchain< 0.2.9osvUSpkg:pypi/langchain
PyPI langchain-community< 0.2.4osvUSpkg:pypi/langchain-community

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-f2jm-rw3h-6phgLangChain pickle deserialization of untrusted data2024-09-17ghsa · osvUS
A vulnerability in the `FAISS.deserialize_from_bytes` function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the `os.system` function. The issue affects versions prior to 0.2.4.
PYSEC-2024-3232024-09-17vendor · osvUS
A vulnerability in the FAISS.deserialize_from_bytes function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the os.system function. The issue affects the latest version of the product.
PYSEC-2026-1514LangChain pickle deserialization of untrusted data2026-07-07vendor · osvUS
A vulnerability in the `FAISS.deserialize_from_bytes` function of langchain-ai/langchain allows for pickle deserialization of untrusted data. This can lead to the execution of arbitrary commands via the `os.system` function. The issue affects versions prior to 0.2.4.

also known as (8)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd osv nvd NVD CVE.org MITRE

published 2024-09-17modified 2026-06-17

references (7)

External citations — patches, advisories, analysis.

scry

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