CVE-2026-13442

HIGH
Published July 28, 2026

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...

Full CISO analysis pending enrichment.

How severe is it?

CVSS 3.1
7.1 / 10
EPSS
N/A
Exploitation Status
No known exploitation
Sophistication
N/A

What is the attack surface?

AV AC PR UI S C I A
AV Network
AC Low
PR Low
UI None
S Unchanged
C High
I Low
A None

What should I do?

No patch available

Monitor for updates. Consider compensating controls or temporary mitigations.

Which compliance frameworks are affected?

Compliance analysis pending. Sign in for full compliance mapping when available.

Frequently Asked Questions

What is CVE-2026-13442?

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.

Is CVE-2026-13442 actively exploited?

No confirmed active exploitation of CVE-2026-13442 has been reported, but organizations should still patch proactively.

How to fix CVE-2026-13442?

No patch is currently available. Monitor vendor advisories for updates.

What is the CVSS score for CVE-2026-13442?

CVE-2026-13442 has a CVSS v3.1 base score of 7.1 (HIGH).

What are the technical details?

Original Advisory

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.

Weaknesses (CWE)

CWE-520 — .NET Misconfiguration: Use of Impersonation: Allowing a .NET application to run at potentially escalated levels of access to the underlying operating and file systems can be dangerous and result in various forms of attacks.

  • [Operation] Run the application with limited privilege to the underlying operating and file system.

Source: MITRE CWE corpus.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:N

Timeline

Published
July 28, 2026
Last Modified
July 28, 2026
First Seen
July 28, 2026