CVE-2024-8309

criticalpriority · attend · 54EPSS 0.137 · 96 %ileexploit · PoCEUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

1 exploit · PoC

Likely / severe?

13.7% (96th) EPSS

CVSS 9.8 · critical

Is it mine?

5 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · osv · nvd

EPSS · scored 2026-10-28

A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.

cvss

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

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–critical · 4.9–9.8

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 3.9 · impact 5.9

v3.04.9mediumCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · ENISA EU

v3.04.9mediumCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · security@huntr.devexploitability 1.4 · impact 3.4

v3.04.9mediumCVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:Lsecondary · OSV

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · OSV

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · 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-74USprimaryCWE-74USCWE-89USCWE-89US

exploits (1)

Public proof-of-concept and weaponised exploit code.

liadlevy/CVE-2024-8309A PoC for CVE-2024–8309PoC · poc_in_github

affected products (5)

Products and version ranges known to be affected.

langchain-ai langchain-ai/langchainunspecified → 0.3.0enisa_euvdEU
langchain langchain= 0.2.5nvdUScpe:2.3:a:langchain:langchain:*:*:*:*:*:*:*:*
PyPI langchain< 0.2.0osvUSpkg:pypi/langchain
PyPI langchain-community0.2.0 → 0.2.19osvUSpkg:pypi/langchain-community
PyPI langchain-community0.2.0 → 0.3.0osvUSpkg:pypi/langchain-community

advisories (3)

Vendor and ecosystem advisories describing this.

GHSA-45pg-36p6-83v9Langchain SQL Injection vulnerability2024-10-29ghsa · osvUS
A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.
PYSEC-2024-1152024-11-05vendor · osvUS
A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain-community version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.
PYSEC-2026-1507Langchain SQL Injection vulnerability2026-07-07vendor · osvUS
A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection through prompt injection. This vulnerability can lead to unauthorized data manipulation, data exfiltration, denial of service (DoS) by deleting all data, breaches in multi-tenant security environments, and data integrity issues. Attackers can create, update, or delete nodes and relationships without proper authorization, extract sensitive data, disrupt services, access data across different tenants, and compromise the integrity of the database.

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 2024-10-29modified 2026-06-17

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references (8)

External citations — patches, advisories, analysis.

scry

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