CVE-2026-5935: IBM Total Storage Service Console (TSSC) / TS4500 IMC 9.2, 9.3, 9.4, 9.5, 9.6 TSSC/IMC could allow an unauthen

Routine

HIGH 7.3REMOTEDOWNGRADEDOWNGRADE

CVE-2026-5935 is a high-severity flaw (CVSS 7.3) affecting total storage service console, ts4500 imc. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Total Storage Service Console (TSSC) / TS4500 IMC 9.2, 9.3, 9.4, 9.5, 9.6 TSSC/IMC could allow an unauthenticated user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied input.

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	7.3 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.3% (top 73%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-04-23
Last modified	2026-10-26

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-10-26 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-04-23 00:16 UTCPublished CVE record published
2026-10-26 22:10 UTCUpdated Record last modified

ibm total storage service console DOWNGRADE

Affected: 9.2 · 9.3 · 9.4 · 9.5 · 9.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.2

1. Check installed version

apt-cache policy total-storage-service-console || rpm -q total-storage-service-console || total-storage-service-console --version

2. No fixed release: DOWNGRADE to a release before 9.2 (Debian / Ubuntu)

apt-cache madison total-storage-service-console sudo apt install total-storage-service-console=<VERSION_BEFORE_9.2> sudo apt-mark hold total-storage-service-console

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

dnf --showduplicates list total-storage-service-console sudo dnf downgrade total-storage-service-console-<VERSION_BEFORE_9.2> sudo dnf versionlock add total-storage-service-console

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.

ibm ts4500 imc DOWNGRADE

Affected: 9.2 · 9.3 · 9.4 · 9.5 · 9.6

Fixed in: no fixed release known

Safe to downgrade to: a release before 9.2

1. Check installed version

apt-cache policy ts4500-imc || rpm -q ts4500-imc || ts4500-imc --version

2. No fixed release: DOWNGRADE to a release before 9.2 (Debian / Ubuntu)

apt-cache madison ts4500-imc sudo apt install ts4500-imc=<VERSION_BEFORE_9.2> sudo apt-mark hold ts4500-imc

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

dnf --showduplicates list ts4500-imc sudo dnf downgrade ts4500-imc-<VERSION_BEFORE_9.2> sudo dnf versionlock add ts4500-imc

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-2026-5935?

total storage service console: downgrade or apply the listed mitigation; ts4500 imc: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2026-5935 being exploited?

CVE-2026-5935 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-2026-5935 affect?

CVE-2026-5935 affects total storage service console, ts4500 imc. Severity is high (CVSS 7.3). IBM Total Storage Service Console (TSSC) / TS4500 IMC 9.2, 9.3, 9.4, 9.5, 9.6 TSSC/IMC could allow an unauthenticated user to execute arbitrary commands with normal user privileges on the system due to improper validation of user supplied i

How urgent is CVE-2026-5935?

Priority 37/100. High severity; Remotely exploitable, no login, no user action

References

← Back to latest CVEs