highCVSS 7.1NVD status: Analyzed

CVE-2026-13442

Langflow: 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.

ComponentLangflow
Severityhigh (CVSS 7.1)
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N
Published (NVD)2026-07-28
Last modified2026-08-04
Affected versions
langflow >= 1.0.0, < 1.10.2
Fixed in1.10.2
WeaknessCWE-520
CISA KEVnot listed

NVD description

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.

Does CVE-2026-13442 hit the version you run?Paste your docker-compose.yml, requirements.txt or package.json. The scanner checks your pinned versions against this CVE and every other one we track for Langflow.
Check my stack

What to do

  • Upgrade Langflow to 1.10.2 or later.
  • Do not expose the component's API or UI to the internet without authentication in front of it.

Sources

Read more

Other Langflow CVEs

All Langflow CVEs