CVE-2026-14866
IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
7.7
IBM i Access Client Solutions (ACS) is Affected By Multiple Vulnerabilities
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
- Record
CVE-2026-14866- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
EUVDEUVD-2026-57550
7.7
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
- Record
EUVD-2026-57550- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-mc36-mm3v-489x
7.7
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue...
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
- Record
GHSA-mc36-mm3v-489x- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
NVD
7.7
IBM i Access Client Solutions 1.1.2.0 through 1.1.9.13 is vulnerable to injection of rogue certificate authority due to publicly writeable truststore.
- Record
CVE-2026-14866- CVSS 3.1
- 7.7 High
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N - CVSS 3.1
- 7.1 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N - Weakness
- CWE-798
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-14866 is a high vulnerability (CVSS 7.7) in Ibm I Access Client Solutions, published August 12, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.11%, the 1st percentile. No source names a fixed version.