What is CVE-2026-13448?

CVE-2026-13448 is a high-severity vulnerability in Apple macOS, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.1/10. Published 2026-07-17.

How severe is CVE-2026-13448?

High severity. CVSS v3 base score is 8.1 out of 10.

Vulnerability in Apple macOS

CVE-2026-13448

IBM Langflow OSS 1.0.0 through 1.10.1 Lanflow OSS contains an unauthenticated remote code execution vulnerability in the public flow build endpoint ( /api/v1/build_public_tmp/{flow_id}/flow ). The vulnerability stems from an incomplete denylist in the validate_public_flow_no_code_execution() function that fails to block several code-execution agent components including OpenDsStarAgent, CodeActAgentSmolagents, and CSVAgent.

EPSS: 0.007 (49.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

CWE-184 — Incomplete List of Disallowed Inputs

References

psirt@us.ibm.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-13448?: CVE-2026-13448 is a high-severity vulnerability in Apple macOS, classified under Incomplete List of Disallowed Inputs. CVSS score: 8.1/10. Published 2026-07-17.
How severe is CVE-2026-13448?: High severity. CVSS v3 base score is 8.1 out of 10.