What is CVE-2026-7755?

CVE-2026-7755 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-07-17.

How severe is CVE-2026-7755?

High severity. CVSS v3 base score is 8.8 out of 10.

Improper input validation in Apple macOS

CVE-2026-7755

IBM Langflow OSS 1.0.0 through 1.10.0 Langflow could allow remote code execution due to incomplete validation enforcement on MCP server configuration files.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2026-07-17 · last modified 2026-07-23.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (53.9th percentile), scored 2026-10-16.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 53.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/7278932 (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-7755?: CVE-2026-7755 is a high-severity vulnerability in Apple macOS, classified under Improper Input Validation. CVSS score: 8.8/10. Published 2026-07-17.
How severe is CVE-2026-7755?: High severity. CVSS v3 base score is 8.8 out of 10.