CVE-2026-17339
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 access or delete resources belonging to other tenants due to path traversal.
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
- Low
- Integrity
- High
- Availability
- Low
Exploit likelihood
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 access or delete resources belonging to other tenants due to path traversal.
- Record
CVE-2026-17339- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-22
- Updated
- 2026-11-07
EUVDEUVD-2026-118730
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.
- Record
EUVD-2026-118730- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L - Updated
- 2026-11-07
GitHub AdvisoriesGHSA-hvmr-ww87-8hc8
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access...
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.
- Record
GHSA-hvmr-ww87-8hc8- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-22
- Updated
- 2026-11-07
NVD
IBM API Connect 12.1.0.0 through 12.1.1.2 could allow a remote authenticated attacker to access or delete resources belonging to other tenants due to path traversal.
- Record
CVE-2026-17339- CVSS 3.1
- 9.1 Critical
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:L - Weakness
- CWE-22
- 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-2026-17339 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 0.49%, the 42nd percentile. No source names a fixed version.