🛡️ CVE-2026-21422 — powerscale-onefs

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs administrative privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity low, availability low.

CVSS metrics in full

The score comes from this vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L

• Attack vector: Local — a local account, shell or session on the host is needed.
• Attack complexity: Low — the attack works reliably, with no preparation.
• Privileges required: High — administrative rights are needed first.
• User interaction: None — nobody has to be tricked into anything.
• Scope: Unchanged — the damage stays inside the vulnerable component.
• Confidentiality impact: None.
• Integrity impact: Low — limited, and the attacker does not choose what is affected.
• Availability impact: Low — limited, and the attacker does not choose what is affected.

Weakness class

CVE-2026-21422 is classified as CWE-15: External Control of System or Configuration Setting. One or more system settings or configuration elements can be externally controlled by a user.

Affected software

CVE-2026-21422 is recorded against 1 package.

• powerscale-onefs (from 9.11.0.0 up to 9.13.0.0)

Timeline and source

Published on 4 March 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

www.dell.com

Other advisories for this package

powerscale-onefs has other advisories on record. If you are patching this one, these are worth checking on the same host:

• CVE-2026-49501 (6.7 Medium, published 15 Jul 2026)
• CVE-2026-40633 (7.8 High, published 15 Jul 2026)
• CVE-2026-32803 (3.3 Low, published 8 May 2026)
• CVE-2025-43883 (4.1 Medium, published 16 Apr 2026)
• CVE-2025-43937 (6.6 Medium, published 16 Apr 2026)
• CVE-2025-43935 (4.4 Medium, published 16 Apr 2026)
• CVE-2026-24511 (4.4 Medium, published 8 Apr 2026)
• CVE-2026-27102 (6.6 Medium, published 8 Apr 2026)

Same weakness in other software

These advisories are the same class of weakness (CWE-15: External Control of System or Configuration Setting) in other software:

• CVE-2026-66065 (8.0 High, published 3 Aug 2026)
• CVE-2026-56567 (5.1 Medium, published 31 Jul 2026)
• CVE-2026-46485 (8.2 High, published 15 Jul 2026)
• CVE-2026-44768 (4.1 Medium, published 14 Jul 2026)
• CVE-2026-0418 (4.5 Medium, published 9 Jun 2026)
• CVE-2026-46399 (published 5 Jun 2026)
• CVE-2026-1784 (8.8 High, published 2 Jun 2026)
• CVE-2026-45087 (10.0 Critical, published 27 May 2026)

Details

Affected Packages

References