# LangSmith (npm) vulnerabilities

Source: https://junglewise.ai/threats/technologies/langsmith  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 13 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/langsmith.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in LangSmith (npm): 0 in the last 7 days and 0 in the last 90 days, 0 of them critical and 0 exploited in the wild. The most recent, CVE-2026-25528, was published on 13 July 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (0 critical, 0 exploited in the wild)

## About LangSmith (npm)

JavaScript library for building and testing language model applications with tracing and monitoring capabilities.

## Latest LangSmith (npm) vulnerabilities

- [CVE-2026-25528: PYSEC-2026-2584 - LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection](https://junglewise.ai/threats/cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing) (low, CVSS 3.1, published 13 Jul 2026)
- [CVE-2026-45134: LangChain LangSmith SDK untrusted deserialization in prompt pull methods](https://junglewise.ai/threats/cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull) (high, CVSS 7.1, published 27 May 2026)
- [CVE-2026-41182: LangChain LangSmith SDK sensitive information leak in streaming events](https://junglewise.ai/threats/cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming) (medium, CVSS 5.3, published 23 Apr 2026)
- [CVE-2026-40190: LangChain LangSmith SDK prototype pollution in createAnonymizer](https://junglewise.ai/threats/cve-2026-40190-langchain-langsmith-sdk-prototype-pollution-in-createanonymizer) (medium, CVSS 5.6, published 10 Apr 2026)

## Most severe LangSmith (npm) vulnerabilities

- [CVE-2026-45134: LangChain LangSmith SDK untrusted deserialization in prompt pull methods](https://junglewise.ai/threats/cve-2026-45134-langchain-langsmith-sdk-untrusted-deserialization-in-prompt-pull) (high, CVSS 7.1, published 27 May 2026)
- [CVE-2026-40190: LangChain LangSmith SDK prototype pollution in createAnonymizer](https://junglewise.ai/threats/cve-2026-40190-langchain-langsmith-sdk-prototype-pollution-in-createanonymizer) (medium, CVSS 5.6, published 10 Apr 2026)
- [CVE-2026-41182: LangChain LangSmith SDK sensitive information leak in streaming events](https://junglewise.ai/threats/cve-2026-41182-langchain-langsmith-sdk-sensitive-information-leak-in-streaming) (medium, CVSS 5.3, published 23 Apr 2026)
- [CVE-2026-25528: PYSEC-2026-2584 - LangSmith Client SDK Affected by Server-Side Request Forgery via Tracing Header Injection](https://junglewise.ai/threats/cve-2026-25528-langchain-langsmith-sdk-server-side-request-forgery-via-tracing) (low, CVSS 3.1, published 13 Jul 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Other npm technologies

- [openclaw (npm)](https://junglewise.ai/threats/technologies/npm-openclaw): 214 vulnerabilities
- [flowise (npm)](https://junglewise.ai/threats/technologies/flowise): 133 vulnerabilities
- [parse-server (npm)](https://junglewise.ai/threats/technologies/parse-server): 117 vulnerabilities
- [vm2 (npm)](https://junglewise.ai/threats/technologies/vm2): 111 vulnerabilities
- [electron (npm)](https://junglewise.ai/threats/technologies/electron): 77 vulnerabilities
- [ghost (npm)](https://junglewise.ai/threats/technologies/ghost): 74 vulnerabilities
- [n8n (npm)](https://junglewise.ai/threats/technologies/npm-n8n): 64 vulnerabilities
- [hono (npm)](https://junglewise.ai/threats/technologies/hono): 62 vulnerabilities
- [directus (npm)](https://junglewise.ai/threats/technologies/directus): 61 vulnerabilities
- [nocodb (npm)](https://junglewise.ai/threats/technologies/nocodb): 54 vulnerabilities
- [undici (npm)](https://junglewise.ai/threats/technologies/undici): 53 vulnerabilities
- [@budibase/server (npm)](https://junglewise.ai/threats/technologies/budibase-server): 42 vulnerabilities

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "LangSmith (npm) vulnerabilities", https://junglewise.ai/threats/technologies/langsmith, 13 November 2026.