CVE-2026-3340: IBM Langflow Desktop · Server-Side Request Forgery (SSRF)
Affects IBM Langflow DesktopSource CVE Database V5
Not known to be exploited · CVSS 6.5 Medium.
Data as of 30 Oct 2026, 06:59 UTC
- EPSS
- 0.1% chance of exploitation in 30 days – higher than 5% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 30 Apr 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 29 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow Desktop | Affected
| Fixed in– |
CPE configurations (2)
cpe:2.3:a:ibm:langflow_desktop:1.0.0:*:*:*:*:*:*:*cpe:2.3:a:ibm:langflow_desktop:1.8.4:*:*:*:*:*:*:*
AI-suggested
Until an official fix is released, limit access to the affected IBM Langflow Desktop versions to trusted users only and monitor for suspicious activity. Avoid exposing the application to untrusted networks or users.
Description
IBM Langflow Desktop versions 1.0.0 through 1.8.4 contain a server-side request forgery (SSRF) vulnerability (CWE-918). This vulnerability allows an authenticated attacker to send unauthorized requests from the affected system. Exploitation could enable network enumeration or facilitate other attacks. The vulnerability has a CVSS 3.1 base score of 6.5, indicating medium severity.