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CVE-2026-68863: Dell PowerProtect One, versions 20.1.0.0 and below, contain a Stack-based Buffer Overflow vulnerability

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HIGH 7.5REMOTEUPGRADE

CVE-2026-68863 is a high-severity flaw (CVSS 7.5) affecting powerprotect one. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell PowerProtect One, versions 20.1.0.0 and below, contain a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.5% (top 59%)
CISA exploited listNo
WeaknessCWE-121
Published2026-08-26
Last modified2026-08-28
Publisher (CNA): Dell · Vendor: dell

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Last updated 2026-08-28 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

dell powerprotect one UPGRADE
Affected: <= 20.1.0.0
Fixed in: newer than 20.1.0.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy powerprotect-one || rpm -q powerprotect-one || powerprotect-one --version
2. UPGRADE to newer than 20.1.0.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade powerprotect-one
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade powerprotect-one
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
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-2026-68863?

powerprotect one: upgrade to newer than 20.1.0.0. Exact commands for each OS are on this page.

Is CVE-2026-68863 being exploited?

CVE-2026-68863 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-2026-68863 affect?

CVE-2026-68863 affects powerprotect one. Severity is high (CVSS 7.5). Dell PowerProtect One, versions 20.1.0.0 and below, contain a Stack-based Buffer Overflow vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Denial of service.

How urgent is CVE-2026-68863?

Priority 41/100. High severity; Remotely exploitable, no login, no user action

Software pages

Dell vulnerabilities

Related CVEs

References

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