CVE-2026-13442 json
Langflow is affected by NET Misconfiguration: Use of Impersonation due to multiple unauthenticated and insufficiently authorized API endpoints
published 2026-07-28 3 mo ago modified 2026-10-23 16 d ago also EUVD-2026-50066
- cvss
- 7.1
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
IBM Langflow OSS 1.0.0 through 1.10.1 can allow an attacker to reuse another user's FAISS namespace to access owner-only vector content and influence later query results. This causes cross-user information disclosure and limited integrity impact through persistent poisoning of returned results.
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 3 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.1 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N |
Affected products
- IBM Langflow OSS
Classification
- Weakness
-
- CWE-520 .NET Misconfiguration: Use of Impersonation
References
-
ibm.com
/support/pages/node/7279988
vendor-advisory, patch
Sources
- CVE List CVE-2026-13442
- NVD CVE-2026-13442
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.