CVE-2026-81467: Dell ThinOS 10, versions prior to 2605_10

Q: How do I fix CVE-2026-81467?

thinos: upgrade to 2605_10.2616. Exact commands for each OS are on this page.

Q: Is CVE-2026-81467 being exploited?

CVE-2026-81467 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-2026-81467 affect?

CVE-2026-81467 affects thinos. Severity is critical (CVSS 9.8). Dell ThinOS 10, versions prior to 2605_10. 2616, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit

Q: How urgent is CVE-2026-81467?

Priority 64/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2026-81467 is a critical-severity flaw (CVSS 9.8) affecting thinos. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Dell ThinOS 10, versions prior to 2605_10. 2616, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit this vulnerability, leading to Command execution.

Why this priority

Critical severity
CISA SSVC: automatable with total technical impact
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	3.0% (top 13%)
CISA exploited list	No
Weakness	CWE-78
Published	2026-09-10
Last modified	2026-09-16

Publisher (CNA): Dell · Vendor: dell

Last updated 2026-09-16 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-09-10 16:17 UTCPublished CVE record published
2026-09-16 20:47 UTCUpdated Record last modified

dell thinos UPGRADE

Affected: < 2605_10.2616

Fixed in: 2605_10.2616

Safe to downgrade to: no unaffected older release

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.

Exact fixes by distribution

Fedora ELN · xfsdump · FIXED · 3.3.0-3.eln159 · FEDORA-2026-6e9bb3f901 · source

sudo dnf upgrade --advisory=FEDORA-2026-6e9bb3f901

Fedora 46 · fio · FIXED · 3.43-2.fc46 · FEDORA-2026-b36219886b · source

sudo dnf upgrade --advisory=FEDORA-2026-b36219886b

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

Write-up: www.dell.com/support/kbdoc/en-us/000502746/dsa-2026-389-security-update-for-dell-thinos-10

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-2026-81467?

thinos: upgrade to 2605_10.2616. Exact commands for each OS are on this page.

Is CVE-2026-81467 being exploited?

CVE-2026-81467 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-2026-81467 affect?

CVE-2026-81467 affects thinos. Severity is critical (CVSS 9.8). Dell ThinOS 10, versions prior to 2605_10. 2616, contains an Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection') vulnerability. An unauthenticated attacker with remote access could potentially exploit

How urgent is CVE-2026-81467?

Priority 64/100. Critical severity; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

Software pages

Dell vulnerabilities

Related CVEs

CVE-2026-61419 HIGH 7.8 UPGRADE Dell ThinOS 10, versions prior to 2605_10.2518, contain an Improper Access Control vulnerability
CVE-2026-81046 CRITICAL 9.4 UPGRADE Dell ThinOS 10, versions prior to 2605_10.2616, contain a Protection Mechanism Failure vulnerability
CVE-2026-81048 CRITICAL 9.6 UPGRADE Dell ThinOS 10, versions prior to 2605_10.2616, contain an Improper Neutralization of Special Elements used in
CVE-2026-81049 MEDIUM 4.4 UPGRADE Dell ThinOS 10, versions prior to 2605_10.2616, contain a Missing Support for Integrity Check vulnerability
CVE-2026-81051 MEDIUM 6.6 UPGRADE Dell ThinOS 10, versions prior to 2605_10.2616, contain a Security Version Number Mutable to Older Versions vu

References

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