Vulnerability in Mage Mage-Ai

CVE-2026-111823

Mage OSS through 0.9.80 before 76c4f46 can proceed with session creation upon encountering an unknown OAuth provider.

Published 2026-10-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Mage Mage-Ai

Weakness classification (CWE)

CWE-390

Public proof-of-concept exploits

murrez/CVE-2026-111823

References

Frequently asked questions

What is CVE-2026-111823?: CVE-2026-111823 is a critical-severity vulnerability in Mage Mage-Ai, classified under CWE-390. CVSS score: 9.8/10. Published 2026-10-17.
How severe is CVE-2026-111823?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2026-111823 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.