CVE-2026-40641: Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Use of a Broken or Risky Cryptographic Algo

Routine

MEDIUM 4.8REMOTEUPGRADE

CVE-2026-40641 is a medium-severity flaw (CVSS 4.8) affecting powerflex manager. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Use of a Broken or Risky Cryptographic Algorithm vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Information disclosure and Information tampering.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	4.8 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.1% (top 99%)
CISA exploited list	No
Weakness	CWE-327
Published	2026-06-17
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

2026-06-17 15:16 UTCPublished CVE record published
2026-10-26 12:10 UTCUpdated Record last modified

dell powerflex manager UPGRADE

Affected: < 4.5.5.2 · >= 4.6.0 and < 5.1.0.1

Fixed in: 4.5.5.2, 5.1.0.1

Safe to downgrade to: a release before 4.6.0

1. Check installed version

apt-cache policy powerflex-manager || rpm -q powerflex-manager || powerflex-manager --version

2. UPGRADE to 4.5.5.2 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade powerflex-manager

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade powerflex-manager

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

3. If no update is available yet, DOWNGRADE to a release before 4.6.0 (Debian / Ubuntu)

apt-cache madison powerflex-manager sudo apt install powerflex-manager=<VERSION_BEFORE_4.6.0> sudo apt-mark hold powerflex-manager

3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list powerflex-manager sudo dnf downgrade powerflex-manager-<VERSION_BEFORE_4.6.0> sudo dnf versionlock add powerflex-manager

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-2026-40641?

powerflex manager: upgrade to 4.5.5.2, 5.1.0.1. Exact commands for each OS are on this page.

Is CVE-2026-40641 being exploited?

CVE-2026-40641 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-2026-40641 affect?

CVE-2026-40641 affects powerflex manager. Severity is medium (CVSS 4.8). Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Use of a Broken or Risky Cryptographic Algorithm vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Infor

How urgent is CVE-2026-40641?

Priority 22/100. Remotely exploitable, no login, no user action

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-32804 HIGH 8.1 UPGRADE Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Improper Authentication vulnerability
CVE-2026-22283 HIGH 7.5 UPGRADE Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Inclusion of Functionality from Untrusted C
CVE-2026-49502 HIGH 7.4 UPGRADE Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Improper Authentication vulnerability
CVE-2026-35066 HIGH 7.1 UPGRADE Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Improper Access Control vulnerability
CVE-2026-35067 MEDIUM 5.7 UPGRADE Dell PowerFlex Manager, version(s) prior to 5.1.0.1, contain(s) an Improper Access Control vulnerability

References

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