CVE-2026-40633: Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, versions 9.11.0.0 through 9.13.0.2 contains an Insert

Q: How do I fix CVE-2026-40633?

powerscale onefs: upgrade to 9.10.1.8, 9.13.1.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-40633 being exploited?

CVE-2026-40633 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-2026-40633 affect?

CVE-2026-40633 affects powerscale onefs. Severity is high (CVSS 7.8). Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, versions 9.11.0.0 through 9.13.0.2 contains an Insertion of Sensitive Information into Log File vulnerability. A low privileged attacker with local access could potentially exploit th

Routine

HIGH 7.8UPGRADE

CVE-2026-40633 is a high-severity flaw (CVSS 7.8) affecting powerscale onefs. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, versions 9.11.0.0 through 9.13.0.2 contains an Insertion of Sensitive Information into Log File vulnerability. A low privileged attacker with local access could potentially exploit this vulnerability, leading to Information disclosure.

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-532
Published	2026-07-15
Last modified	2026-10-24

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-07-15 11:16 UTCPublished CVE record published
2026-10-24 22:10 UTCUpdated Record last modified

dell powerscale onefs UPGRADE

Affected: >= 9.5.0.0 and < 9.10.1.8 · >= 9.11.0.0 and < 9.13.1.0

Fixed in: 9.10.1.8, 9.13.1.0

Safe to downgrade to: a release before 9.5.0.0

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-2026-40633?

powerscale onefs: upgrade to 9.10.1.8, 9.13.1.0. Exact commands for each OS are on this page.

Is CVE-2026-40633 being exploited?

CVE-2026-40633 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-2026-40633 affect?

CVE-2026-40633 affects powerscale onefs. Severity is high (CVSS 7.8). Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, versions 9.11.0.0 through 9.13.0.2 contains an Insertion of Sensitive Information into Log File vulnerability. A low privileged attacker with local access could potentially exploit th

How urgent is CVE-2026-40633?

Priority 28/100. High severity

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-49501 MEDIUM 6.7 UPGRADE Dell PowerScale OneFS versions 9.5.0.0 through 9.10.1.7, and versions 9.11.0.0 through 9.13.0.2 contains an Im

References

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