An issue in langchain v.0.0.64 allows a remote attacker to execute arbitrary code via the…
Priority HIGH 82CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0188 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed langchain (PyPI): 0.0.247
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | langchain (PyPI) | before 0.0.247 | 0.0.247 | Patch available | GHSA-57fc-8q82-gfp3 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- langchain (PyPI) Vendor— Affected before 0.0.247 Fixed in 0.0.247 Patch available GHSA-57fc-8q82-gfp3
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:langchain:langchain:0.0.64:*:*:*:*:*:*:* | 0.0.64 | Vulnerable | langchain-ai |
- cpe:2.3:a:langchain:langchain:0.0.64:*:*:*:*:*:*:* Versions 0.0.64 Vulnerable ·langchain-ai
Remediation
- Fix · GHSA-57fc-8q82-gfp3 langchain (PyPI) Fixed in 0.0.247 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2023-36188
- 2026-10-03 Alias added: GHSA-57fc-8q82-gfp3
References
Advisory 2
Other 6
- https://github.com/langchain-ai/langchain/issues/5872
- https://github.com/langchain-ai/langchain/pull/6003
- https://github.com/langchain-ai/langchain/pull/8425
- https://github.com/langchain-ai/langchain/commit/e294ba475a355feb95003ed8f1a2b99942509a9e
- https://github.com/langchain-ai/langchain
- https://github.com/pypa/advisory-database/tree/main/vulns/langchain/PYSEC-2023-109.yaml
More langchain-ai Langchain vulnerabilities
- TI-2023-20724 An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to… CVSS 3.1CRITICAL 9.8
- TI-2023-20706 An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary… CVSS 3.1CRITICAL 9.8
- TI-2023-20166 An issue in Harrison Chase langchain v.0.0.194 and before allows a remote attacker to… CVSS 3.1CRITICAL 9.8
- TI-2023-20136 An issue in LangChain v.0.0.231 allows a remote attacker to execute arbitrary code via the prompt parameter. CVSS 3.1CRITICAL 9.8
- TI-2023-18185 An issue in langchain v.0.0.171 allows a remote attacker to execute arbitrary code via a… CVSS 3.1CRITICAL 9.8
- TI-2023-18176 An issue in LangChain before 0.0.236 allows an attacker to execute arbitrary code because… CVSS 3.1CRITICAL 9.8
Sources
- CVE-2023-36188 · CVE Program
- CVE-2023-36188 · NVD
- FIRST EPSS
- GHSA-57fc-8q82-gfp3 · GitHub Advisory Database · CC BY 4.0
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