CVE-2026-3340: IBM Langflow Desktop 1.0.0 through 1.8.4 IBM Langflow is vulnerable to server-side request forgery
Source GCVE Database
Not known to be exploited · CVSS 6.5 Medium.
Data as of 27 Oct 2026, 00:31 UTC
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
Weaponised: 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 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| IBMLangflow Desktop | Affected
| Fixed in– |
AI-suggested
Until a fix is available, restrict access to the affected IBM Langflow Desktop versions to trusted users and monitor for suspicious activity related to unauthorized requests.
Description
IBM Langflow Desktop versions 1.0.0 through 1.8.4 are affected by a server-side request forgery (SSRF) vulnerability. This flaw allows an authenticated attacker to send unauthorized requests from the system, which could lead to network enumeration or assist in further attacks. The vulnerability has a medium severity rating with a CVSS score of 6.5. No patch or remediation information is currently provided.