mediumCVSS 6.5NVD status: Analyzed

CVE-2026-3340

Langflow: IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF).

ComponentLangflow
Severitymedium (CVSS 6.5)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
Published (NVD)2026-04-30
Last modified2026-06-17
Affected versions
langflow_desktop >= 1.0.0, <= 1.8.4
Fixed insee the vendor advisory
WeaknessCWE-918
CISA KEVnot listed

NVD description

IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery (SSRF). This may allow an authenticated attacker to send unauthorized requests from the system, potentially leading to network enumeration or facilitating other attacks.

Does CVE-2026-3340 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Langflow.
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What to do

  • NVD lists no fixed version yet: follow the vendor advisory below and keep Langflow off the public internet until a fix ships.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

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