CVE-2026-17321
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 delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.1
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 delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.
- Record
CVE-2026-17321- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-639
- Updated
- 2026-11-07
EUVDEUVD-2026-118712
8.1
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.
- Record
EUVD-2026-118712- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-4w7m-g47f-wm6g
8.1
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete...
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.
- Record
GHSA-4w7m-g47f-wm6g- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-639
- Updated
- 2026-11-07
NVD
8.1
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to delete or overwrite arbitrary control-plane assets due to an insecure direct object reference.
- Record
CVE-2026-17321- CVSS 3.1
- 8.1 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H - Weakness
- CWE-639
- Updated
- 2026-11-07
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| 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.
In short
CVE-2026-17321 is a high vulnerability (CVSS 8.1) 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 0.45%, the 39th percentile. No source names a fixed version.