CVE-2026-17066
Multiple Vulnerabilities in IBM API Connect
CVE-2026-17066 is a critical vulnerability (CVSS 9.1) in Ibm Api Connect, published November 7, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.56%, the 47th percentile. No source names a fixed version.
- Severity
- 9.1 CriticalCVSS 3.1, CVE List
- Exploit chance
- 0.56%EPSS, 47th percentile
- Exploitation
- None knownNot on CISA’s or ENISA’s lists
- Fixed in
- No fix listedNo source names one
Description
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- High
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
Affected products
What each source reports
CVE List Score used
Multiple Vulnerabilities in IBM API Connect
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.
- Record
CVE-2026-17066- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-07
EUVDEUVD-2026-118625
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.
- Record
EUVD-2026-118625- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-mh5f-5xj3-mg8v
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain...
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.
- Record
GHSA-mh5f-5xj3-mg8v- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-07
NVD
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to obtain sensitive information and modify or delete data belonging to other tenants due to missing authorization.
- Record
CVE-2026-17066- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H - Weakness
- CWE-862
- Updated
- 2026-11-10
History
| Recorded | Changed | Sources |
|---|---|---|
| products, references | NVD | |
| published | EUVD | |
| published | EUVD, NVD | |
| aliases, references | GitHub Advisories | |
| cwes, references, severity, title | CVE List | |
| first indexed | EUVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.