CVE-2026-3340 json
Server-Side Request Forgery (SSRF) in Langflow URL Component
published 2026-04-30 6 mo ago modified 2026-10-26 13 d ago also EUVD-2026-26419
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.2%
- EPSS 0.2% chance of exploitation in 30 days, percentile 5%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- ibm.com/support/pages/node/7271096 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 6 mo ago
Exploit prediction
0.17% chance of exploitation in the next 30 days, higher than 5% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N |
Affected products
- IBM Langflow Desktop
Classification
- Weakness
-
- CWE-918 Server-Side Request Forgery
References
-
ibm.com
/support/pages/node/7271096
vendor-advisory, patch
Sources
- CVE List CVE-2026-3340
- NVD CVE-2026-3340
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.