CVE-2026-17525

My Control System 26.5 – Disk space exhaustion due to incorrect temporary file cleanup after XML conversion

CVSS score

5.2

EPSS probability

—

Risk score

0.5

Published

6 h ago

Overview Public Exploits (0)Newsroom Vulnerability Timeline

Patch status has not yet been verified

Resmî kaynaklarda yeterli kanıt bulunamadı. Bu sonuç “yama yok” anlamına gelmez.

Impact on My Inventory

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Vulnerability description

CVE AI research

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DayBreach AI Explanation

Verified against sources

CVE-2026-17525: Incomplete Cleanup Vulnerability in ABB My Control System

Sources read

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

Affecting ABB My Control System versions 26.4 and 26.5, CVE-2026-17525 is an incomplete cleanup vulnerability that can lead to disk space exhaustion due to incorrect temporary file cleanup after XML conversion [S0]. The patch status for this vulnerability is currently unknown [S0].

Why does it matter?

This vulnerability possesses availability impacts that can cause disk space exhaustion and service disruption on affected systems [S0].

What should be done?

Follow official vendor advisories [S0]

Chain of evidence and sources2 verified claims

CVE-2026-17525, ABB My Control System 26.4 ve 26.5 sürümlerini etkilemektedir.

S0 · daybreach-canonical S1 · cvelist

Zafiyet, XML dönüştürme sonrası geçici dosyaların hatalı temizlenmesinden kaynaklanmaktadır.

S0 · daybreach-canonical S1 · cvelist

Show the technical text from the sources

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

CVSS vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

CWE: CWE-459

Explanation produced with the local gemini-flash-lite-latest model. Numerical metrics and the KEV, patch and exploit statuses are not determined by AI.

IMPACT: Affected Products and Software

Affected Products

The following products are affected by CVE-2026-17525 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

ID	VENDOR	PRODUCT	ACTION
1	abb	My Control System	View

Total affected vendors: 1|Products: 1

RED HAT CSAF/VEX: Product Impact Check

Red Hat has not yet published a CSAF/VEX impact record for this CVE. This does not mean “not affected”.

SCORING: CVSS from Multiple Sources

CVSS Scores

The Common Vulnerability Scoring System is a standardised framework for assessing the severity of vulnerabilities in software and systems. We collect and display CVSS scores from several sources for each CVE.

SCORE	VERSION	SEVERITY	VECTOR	SOURCE
5.2	CVSS V31	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	NVD
5.2	CVSS V3_1	MEDIUM	CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H	CVE CNA
5.1	CVSS V40	MEDIUM	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X	NVD
5.1	CVSS V4_0	MEDIUM	CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N	CVE CNA

Patch and Remediation Guide

Solution & Remediation Advisory

Patch status unknown

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Confirm the affected product and version against the source evidence above.

Restrict access to internet-facing services and apply network segmentation.

Until a patch is confirmed, follow the vendor advisory; do not read an unknown status as “no patch”.

Monitor server logs and network endpoints for signs of anomalous execution.

Public exploit and active exploitation status

Verified exploit intelligence

No verified public PoC, exploit repository or Metasploit module has been found for this CVE yet.

Weakness Classification and Attack Patterns (CWE & CAPEC)

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorises the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-17525 is associated with the following CWEs:

CWE-459: Common Weakness Enumeration Entry CWE-459

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-17525 weaknesses.

CAPEC-66: SQL Injection CAPEC-126: Path Traversal CAPEC-28: OS Command Injection

Attack Vector and Accessibility

ExposureBitişik ağ

PermissionsLow

UserGerekiyor

Official Sources and Advisories

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

CVSS Vector Radar Chart

5.2 / 10

Vulnerability Scoring Details

CVSS:3.1/AV:A/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:H

Attack VectorAdjacent network

Attack ComplexityLow

Privileges RequiredLow privileges

User Interaction—

Confidentiality (Gizlilik)Low

Integrity (Bütünlük)None

Availability (Erişilebilirlik)High

Yama durumu bilinmiyor

İncelenen resmî kaynaklarda yama durumu doğrulanamadı. Bu sonuç “yama yok” anlamına gelmez.

Follow the vendor

abb

Weakness Type (CWE & CAPEC)

CWE-459

Similar Vulnerabilities

9.9

CVE-2025-14771

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