PatchTheCVECVE-2026-13463: IBM Cloud Pak System 2.3.5.0 could allow a local attacker to obtain sensitive information due to the insertion
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Routine
HIGH 7.5REMOTEDOWNGRADE
CVE-2026-13463 is a high-severity flaw (CVSS 7.5) affecting cloud pak system. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
IBM Cloud Pak System 2.3.5.0 could allow a local attacker to obtain sensitive information due to the insertion of credentials into log files.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 7.5 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 69%) |
| CISA exploited list | No |
| Weakness | CWE-798 |
| Published | 2026-07-28 |
| Last modified | 2026-10-23 |
Publisher (CNA): IBM Corporation · Vendor: ibm
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
ibm cloud pak system DOWNGRADE
Affected: 2.3.5.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 2.3.5.0
1. Check installed version
apt-cache policy cloud-pak-system || rpm -q cloud-pak-system || cloud-pak-system --version
2. No fixed release: DOWNGRADE to a release before 2.3.5.0 (Debian / Ubuntu)
apt-cache madison cloud-pak-system
sudo apt install cloud-pak-system=<VERSION_BEFORE_2.3.5.0>
sudo apt-mark hold cloud-pak-system
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list cloud-pak-system
sudo dnf downgrade cloud-pak-system-<VERSION_BEFORE_2.3.5.0>
sudo dnf versionlock add cloud-pak-system
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.