CVE-2026-3623: IBM Netezza Performance Server Replication Services 3.0.2.0 through 3.0.5.0 allows an attacker with low‑privil
CVE-2026-3623 is a high-severity flaw (CVSS 7.8) affecting netezza performance server replication services. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
IBM Netezza Performance Server Replication Services 3.0.2.0 through 3.0.5.0 allows an attacker with low‑privileged access to escalate their privileges to root. By exploiting this flaw, the attacker can execute root‑level commands, obtain a root shell, and change the root user’s password. Successful exploitation also enables modification or removal of system‑wide files and the installation of persistent backdoors. This results in full system compr
Why this priority
- High severity
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.8 (High) |
| Attack vector | Local |
| Attack complexity | Low |
| Privileges needed | Low |
| User interaction | None |
| EPSS exploit chance | 0.2% (top 96%) |
| CISA exploited list | No |
| Weakness | CWE-250 |
| Published | 2026-05-27 |
| Last modified | 2026-10-26 |
Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2026-3623?
netezza performance server replication services: upgrade to 3.0.5.1. Exact commands for each OS are on this page.
Is CVE-2026-3623 being exploited?
CVE-2026-3623 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2026-3623 affect?
CVE-2026-3623 affects netezza performance server replication services. Severity is high (CVSS 7.8). IBM Netezza Performance Server Replication Services 3.0.2.0 through 3.0.5.0 allows an attacker with low‑privileged access to escalate their privileges to root. By exploiting this flaw, the attacker can execute root‑level commands, obtain a
How urgent is CVE-2026-3623?
Priority 28/100. High severity