CVE-2023-29374

CRITICALNVD 9.89.8—

9.8

In LangChain through 0.0.131, the LLMMathChain chain allows prompt injection attacks that can execute arbitrary code via the Python exec method.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 88.2%
KEV: Not listed

Published

April 5, 2023

Last Modified

February 12, 2025

References (8)

cve@mitrehttps://github.com/hwchase17/langchain/issues/1026
cve@mitrehttps://github.com/hwchase17/langchain/issues/814
cve@mitrehttps://github.com/hwchase17/langchain/pull/1119
cve@mitrehttps://twitter.com/rharang/status/1641899743608463365/photo/1
af854a3a-2127-422b-91ae-364da2661108https://github.com/hwchase17/langchain/issues/1026
af854a3a-2127-422b-91ae-364da2661108https://github.com/hwchase17/langchain/issues/814
af854a3a-2127-422b-91ae-364da2661108https://github.com/hwchase17/langchain/pull/1119
af854a3a-2127-422b-91ae-364da2661108https://twitter.com/rharang/status/1641899743608463365/photo/1

Patch Availability(1)

Vendor / Ecosystem	Fixed in / Patch	Released	Source
pip	langchain	—	ghsa

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Affected Packages

(1 across 1 ecosystem)

PyPI(1)

Package	Vulnerable range	Fixed in	Dependents
langchain	0.0.1 ... 0.0.99rc0 (133 versions)	0.0.132	—

Weakness Classification(2)

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

Data Freshness Timeline

(refreshed 12× in last 7d / 20× 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
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 22:29 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-31 00:15 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:18 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-25 03:48 UTCEG score recompute

Frequently asked(5)

What is CVE-2023-29374?

CVE-2023-29374 is a critical vulnerability published on April 5, 2023. In LangChain through 0.0.131, the LLMMathChain chain allows prompt injection attacks that can execute arbitrary code via the Python exec method.

When was CVE-2023-29374 disclosed?

CVE-2023-29374 was first published in the National Vulnerability Database on April 5, 2023, with the most recent update on February 12, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-29374 actively exploited?

CVE-2023-29374 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 88.2% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-29374?

CVE-2023-29374 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2023-29374?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-29374, 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-2023-29374

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CVE-2023-29374

📅 Published

🔄 Last Modified

🔗 References (8)