CVE-2026-7803 json
Flow Validation Bypass via Empty Component Type Field
published 2026-06-30 4 mo ago modified 2026-10-25 14 d ago also EUVD-2026-40383
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 51%
- public exploits
- 0
- none known
Summary
IBM Langflow OSS 1.0.0 through 1.10.0 could allow arbitrary code execution due to improper validation of flow nodes with missing or empty component type fields.
Patch / fix
- ibm.com/support/pages/node/7278445 advisory
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 4 mo ago
Exploit prediction
0.64% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- IBM Langflow OSS
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
ibm.com
/support/pages/node/7278445
vendor-advisory, patch
Sources
- CVE List CVE-2026-7803
- NVD CVE-2026-7803
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.