CVE-2023-36281

CRITICALNVD 9.89.8—Weaponized

9.8

An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a JSON file to load_prompt. This is related to __subclasses__ or a template.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 98.4%
KEV: Not listed

Published

August 22, 2023

Last Modified

November 21, 2024

References (6)

cve@mitrehttps://aisec.today/LangChain-2e6244a313dd46139c5ef28cbcab9e55
cve@mitrehttps://github.com/hwchase17/langchain/issues/4394
cve@mitrehttps://github.com/langchain-ai/langchain/releases/tag/v0.0.312
af854a3a-2127-422b-91ae-364da2661108https://aisec.today/LangChain-2e6244a313dd46139c5ef28cbcab9e55
af854a3a-2127-422b-91ae-364da2661108https://github.com/hwchase17/langchain/issues/4394
af854a3a-2127-422b-91ae-364da2661108https://github.com/langchain-ai/langchain/releases/tag/v0.0.312

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
langchain	0.0.1 ... 0.0.99rc0 (172 versions)	0.0.171	—

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-94Improper Control of Generation of Code (Code Injection)

Data Freshness Timeline

(refreshed 11× in last 7d / 13× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-06-01 13:51 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-24 18:53 UTCEG score recompute

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 GitHub PoC). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

GitHub PoCtagomaru/CVE-2023-36281
First seen Aug 31, 2023
PoC of CVE-2023-36281
Open source ↗

Frequently asked(5)

What is CVE-2023-36281?

CVE-2023-36281 is a critical vulnerability published on August 22, 2023. An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a JSON file to load_prompt. This is related to subclasses or a template.

When was CVE-2023-36281 disclosed?

CVE-2023-36281 was first published in the National Vulnerability Database on August 22, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-36281 actively exploited?

CVE-2023-36281 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-36281?

CVE-2023-36281 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-36281?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-36281, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2023-36281

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CVE-2023-36281

📅 Published

🔄 Last Modified

🔗 References (6)