🛡️ CVE-2026-26019 on npm (Root.io) — community

🟡 CVSS 5.0 — Medium ✅ No Known Exploit OSV

5.0

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

CVE-2026-26019 in @rootio/langchain__community - Patched by Root

Root has patched CVE-2026-26019 in the @rootio/langchain__community package for Root:npm. Multiple fixed versions available.

Distribution advisory

This page covers CVE-2026-26019 as tracked by npm (Root.io), for the package community. The fix is available in version 0.3.45-aikido.5; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs low-level privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity none, availability none.

Weakness class

ROOT-APP-NPM-CVE-2026-26019 is classified as CWE-918: Server-Side Request Forgery (SSRF). The server fetches a URL supplied by the caller, which can be pointed at internal systems it alone can reach.

Affected software

ROOT-APP-NPM-CVE-2026-26019 is recorded against 3 packages.

@langchain/community (fixed in 0.3.45-aikido.5)
@rootio/@langchain/community (fixed in 0.3.45-root.io.4)
@rootio/langchain--community (fixed in 0.3.45-root.io.5)

Timeline and source

Published on 4 June 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

CVE-2026-26019 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Base record

Details

Severity MEDIUM

CVSS Score 5.0

CVSS Vector CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:N/A:N

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2026-06-04

Updated 2026-08-12

Modified 2026-06-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
@langchain/community	—	0.3.45-aikido.5
@rootio/@langchain/community	—	0.3.45-root.io.4
@rootio/langchain--community	—	0.3.45-root.io.5

References

N/A

🔗 NVD 🔗 Mitre

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