CVE-2023-36188
langchain vulnerable to arbitrary code execution
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
9.8
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
CVE-2023-36188- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
CVE List No score
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
CVE-2023-36188- Updated
- 2026-11-02
EUVDEUVD-2023-0110 No score
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
EUVD-2023-0110- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-57fc-8q82-gfp3
9.8
langchain vulnerable to arbitrary code execution
An issue in langchain allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
GHSA-57fc-8q82-gfp3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSVGHSA-57fc-8q82-gfp3
9.8
langchain vulnerable to arbitrary code execution
An issue in langchain allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
GHSA-57fc-8q82-gfp3- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-74
- Updated
- 2026-11-02
OSV No score
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
CVE-2023-36188- Updated
- 2026-11-02
OSVPYSEC-2023-109 No score
An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the PALChain parameter in the Python exec method.
- Record
PYSEC-2023-109- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
langchainPyPI |
before 0.0.247 | 0.0.247 |
langchainPyPI |
before 0.0.247, plus listed versions 0.0.10.0.100.0.1000.0.1010.0.101rc0 Show 45 moreShow less0.0.1020.0.102rc00.0.1030.0.1040.0.1050.0.1060.0.1070.0.1080.0.1090.0.110.0.1100.0.1110.0.1120.0.1130.0.1140.0.1150.0.1160.0.1170.0.1180.0.1190.0.120.0.1200.0.1210.0.1220.0.1230.0.1240.0.1250.0.1260.0.1270.0.1280.0.1290.0.130.0.1300.0.1310.0.1320.0.1330.0.1340.0.1350.0.1360.0.1370.0.1380.0.1390.0.140.0.1400.0.141 |
0.0.247 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2023-36188 is a critical vulnerability (CVSS 9.8) in Langchain, published July 6, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.90%, the 79th percentile. Fixed in langchain 0.0.247.
References
github.com/hwchase17/langchain/issues/5872
github.com/hwchase17/langchain/pull/6003
nvd.nist.gov/vuln/detail/CVE-2023-36188
github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-109.yaml
github.com/langchain-ai/langchain/commit/e294ba475a355feb95003ed8f1a2b99942509a9e
github.com/langchain-ai/langchain/issues/5872
Left out here: 200 versions. The JSON record has them.