CVE-2023-36188
CVE-2023-36188 is a critical-severity vulnerability in Langchain with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-74.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- EPSS exploit prediction: 2% (77th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-74
- Affected product: Langchain
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2023-36188?
- 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.
- How severe is CVE-2023-36188?
- CVE-2023-36188 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-36188 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-36188?
- CVE-2023-36188 affects Langchain. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-36188?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2023-36188 published?
- CVE-2023-36188 was published on 2023-07-06 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:langchain:langchain:0.0.64:*:*:*:*:*:*:*
More vulnerabilities in Langchain
- CVE-2025-2828 — Critical (CVSS 10.0): A Server-Side Request Forgery (SSRF) vulnerability exists in the RequestsToolkit component of the langchain-community…
- CVE-2024-8309 — Critical (CVSS 9.8): A vulnerability in the GraphCypherQAChain class of langchain-ai/langchain version 0.2.5 allows for SQL injection…
- CVE-2024-7042 — Critical (CVSS 9.8): A vulnerability in the GraphCypherQAChain class of langchain-ai/langchainjs versions 0.2.5 and all versions with this…
- CVE-2023-39631 — Critical (CVSS 9.8): An issue in LanChain-ai Langchain v.0.0.245 allows a remote attacker to execute arbitrary code via the evaluate…
- CVE-2023-36281 — Critical (CVSS 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…
- CVE-2023-39659 — Critical (CVSS 9.8): An issue in langchain langchain-ai v.0.0.232 and before allows a remote attacker to execute arbitrary code via a…
All CVEs affecting Langchain →
Other CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities
- CVE-2026-25586 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, a sandbox escape is possible by shadowing hasOwnProperty…
- CVE-2026-25520 — Critical (CVSS 10.0): SandboxJS is a JavaScript sandboxing library. Prior to 0.8.29, The return values of functions aren't wrapped.…
- CVE-2025-20265 — Critical (CVSS 10.0): A vulnerability in the RADIUS subsystem implementation of Cisco Secure Firewall Management Center (FMC) Software could…
- CVE-2025-20337 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2025-20281 — Critical (CVSS 10.0): A vulnerability in a specific API of Cisco ISE and Cisco ISE-PIC could allow an unauthenticated, remote attacker to…
- CVE-2024-42472 — Critical (CVSS 10.0): Flatpak is a Linux application sandboxing and distribution framework. Prior to versions 1.14.0 and 1.15.10, a malicious…
Browse all CWE-74 (Improper Neutralization of Special Elements (Injection)) vulnerabilities →