CVE-2026-14514: IBM Reliable Scalable Cluster Technology (RSCT) 3.0 could allow a remote attacker to cause a denial of service

Routine

MEDIUM 6.5DOWNGRADE

CVE-2026-14514 is a medium-severity flaw (CVSS 6.5) affecting reliable scalable cluster technology. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Reliable Scalable Cluster Technology (RSCT) 3.0 could allow a remote attacker to cause a denial of service by sending a specially crafted request due improper input validation.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Adjacent network
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 77%)
CISA exploited list	No
Weakness	CWE-770
Published	2026-08-19
Last modified	2026-09-04

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-09-04 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-08-19 21:16 UTCPublished CVE record published
2026-09-04 17:05 UTCUpdated Record last modified

ibm reliable scalable cluster technology DOWNGRADE

Affected: 3.2 · 3.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 3.2

1. Check installed version

apt-cache policy reliable-scalable-cluster-technology || rpm -q reliable-scalable-cluster-technology || reliable-scalable-cluster-technology --version

2. No fixed release: DOWNGRADE to a release before 3.2 (Debian / Ubuntu)

apt-cache madison reliable-scalable-cluster-technology sudo apt install reliable-scalable-cluster-technology=<VERSION_BEFORE_3.2> sudo apt-mark hold reliable-scalable-cluster-technology

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list reliable-scalable-cluster-technology sudo dnf downgrade reliable-scalable-cluster-technology-<VERSION_BEFORE_3.2> sudo dnf versionlock add reliable-scalable-cluster-technology

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.

Quick answers

How do I fix CVE-2026-14514?

reliable scalable cluster technology: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-14514 being exploited?

CVE-2026-14514 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-2026-14514 affect?

CVE-2026-14514 affects reliable scalable cluster technology. Severity is medium (CVSS 6.5). IBM Reliable Scalable Cluster Technology (RSCT) 3.0 could allow a remote attacker to cause a denial of service by sending a specially crafted request due improper input validation.

How urgent is CVE-2026-14514?

Priority 29/100. No elevated risk signals yet.

References

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