AI Threat Alert
CVE-2026-18891
HIGHIBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper...
Full CISO analysis pending enrichment.
How severe is it?
What is the attack surface?
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-2026-18891?
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper authentication.
Is CVE-2026-18891 actively exploited?
No confirmed active exploitation of CVE-2026-18891 has been reported, but organizations should still patch proactively.
How to fix CVE-2026-18891?
No patch is currently available. Monitor vendor advisories for updates.
What is the CVSS score for CVE-2026-18891?
CVE-2026-18891 has a CVSS v3.1 base score of 8.2 (HIGH).
What are the technical details?
Original Advisory
IBM Langflow OSS 1.0.0 through 1.11.1 could allow a remote attacker to execute arbitrary flows and access sensitive information due to improper authentication.
Weaknesses (CWE)
CWE-287 — Improper Authentication: When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
- [Architecture and Design] Use an authentication framework or library such as the OWASP ESAPI Authentication feature.
Source: MITRE CWE corpus.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N