CVE-2026-28265: PowerStore, contains a Path Traversal vulnerability in the Service user

Q: How do I fix CVE-2026-28265?

powerstoreos: upgrade to 4.3.1.1. Exact commands for each OS are on this page.

Q: Is CVE-2026-28265 being exploited?

CVE-2026-28265 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-28265 affect?

CVE-2026-28265 affects powerstoreos. Severity is medium (CVSS 4.4). PowerStore, contains a Path Traversal vulnerability in the Service user. A low privileged attacker with local access could potentially exploit this vulnerability, leading to modification of arbitrary system files.

Q: How urgent is CVE-2026-28265?

Priority 16/100. No elevated risk signals yet.

Routine

MEDIUM 4.4UPGRADE

CVE-2026-28265 is a medium-severity flaw (CVSS 4.4) affecting powerstoreos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

PowerStore, contains a Path Traversal vulnerability in the Service user. A low privileged attacker with local access could potentially exploit this vulnerability, leading to modification of arbitrary system files.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.4 (Medium)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.1% (top 98%)
CISA exploited list	No
Weakness	CWE-35, CWE-22
Published	2026-04-01
Last modified	2026-10-26

Publisher (CNA): Dell · Vendor: dell

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

Am I affected?

Timeline

2026-04-01 08:16 UTCPublished CVE record published
2026-10-26 21:10 UTCUpdated Record last modified

dell powerstoreos UPGRADE

Affected: >= 4.3.0.0 and < 4.3.1.1

Fixed in: 4.3.1.1

Safe to downgrade to: a release before 4.3.0.0

Check your OS release

cat /etc/os-release; uname -r

Debian / Ubuntu

sudo apt update && sudo apt full-upgrade

RHEL / Amazon Linux / Fedora

sudo dnf upgrade --refresh

Windows

Install the latest cumulative update from Windows Update

If no patch exists yet

OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.

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-2026-28265?

powerstoreos: upgrade to 4.3.1.1. Exact commands for each OS are on this page.

Is CVE-2026-28265 being exploited?

CVE-2026-28265 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-2026-28265 affect?

CVE-2026-28265 affects powerstoreos. Severity is medium (CVSS 4.4). PowerStore, contains a Path Traversal vulnerability in the Service user. A low privileged attacker with local access could potentially exploit this vulnerability, leading to modification of arbitrary system files.

How urgent is CVE-2026-28265?

Priority 16/100. No elevated risk signals yet.

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-58567 HIGH 8.8 MITIGATE Dell PowerStore contains an OS Command Injection vulnerability
CVE-2026-79682 HIGH 8.8 MITIGATE Dell PowerStore contains a Command Injection vulnerability
CVE-2026-58569 HIGH 8.8 MITIGATE Dell PowerStore contains an Inclusion of Functionality from Untrusted Control Sphere vulnerability
CVE-2026-58572 HIGH 8.8 MITIGATE Dell PowerStore contains a Code Injection vulnerability
CVE-2026-58571 HIGH 8.8 MITIGATE Dell PowerStore contains an OS Command Injection vulnerability

References

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