Authz bypass in widely deployed IBM App Connect Enterprise middleware; can enable unauthorized access across integrations and enterprise systems.
CVE-2026-75624
Authorization bypass in IBM App Connect Enterprise allowing unauthorized actions.
Is CVE-2026-75624 being exploited?
Not confirmed. CVE-2026-75624 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.37% probability of exploitation in the next 30 days.
How severe is CVE-2026-75624?
CVE-2026-75624 is rated High with a CVSS score of 8.8. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-75624?
Yes. A fix has been recorded for CVE-2026-75624. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-75624 affect?
CVE-2026-75624 affects IBM App Connect Enterprise 13.0.1.0 - 13.0.8.1, IBM App Connect Enterprise 12.0.1.0 - 12.0.12.27. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-75624?
Install IBM updates immediately; restrict access to App Connect and review logs.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated remote attacker can bypass authorization to perform unauthorized operations, access/modify data, or escalate privileges in App Connect.
Immediate action required
- affected>= 13.0.1.0 and <= 13.0.8.1
- affected>= 12.0.1.0 and <= 12.0.12.27
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.