Vulnerability record/PUBLISHED/Published Nov 7, 2026 04:33:57 UTC

CVE-2026-17370

IBM API Connect 10.0.8.0 through 10.0.8.12 and 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain an access token for another user due to improper authentication. The sign-in flow does not sufficiently verify the identity of the user completing it, which could allow another user's identity to be assumed.

Base score6.4/ 10

SeverityMediumCVSS 3.1

Exploitability / impact

CVSS metric breakdown

Vector-derived attributes

Base severityMedium

Attack vectorNetworkAV

Attack complexityHighAC

Privileges requiredLowPR

User interactionRequiredUI

ScopeUnchangedS

Confidentiality impactHighC

Integrity impactHighI

Availability impactNoneA

CVSS vector stringCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:N

CVSS communicates standardized severity and impact characteristics. It does not establish whether a system is exploitable in your specific environment.

Record context

CVE Numbering Authorityibm

Last updatedNov 11, 2026 03:52:56 UTC

PublishedNov 7, 2026 04:33:57 UTC

ReservedJul 25, 2026 03:45:42 UTC