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CVE-2026-53564

Arbitrary file read and write

CVSS score

5.1

EPSS probability

—

Risk score

0.5

Published

16 h ago

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

Arbitrary File Read and Write Vulnerability in Citrix UniconOS

Sources read

1

Source agreement

Tam uyum

Evidence confidence

%55

Short explanation

An arbitrary file read and write vulnerability has been identified in Citrix UniconOS, affecting versions prior to 2607.2 CR and prior to 2603 LTSR CU2 (S0). The severity level is medium (S0).

Why does it matter?

This security issue allows unauthorized file reading and writing operations on affected systems, introducing confidentiality and integrity risks (S0).

What should be done?

  • Follow the vendor advisory (S0)
Chain of evidence and sources2 verified claims

CVE-2026-53564, 2607.2 CR ve 2603 LTSR CU2 öncesi Citrix UniconOS sürümlerini etkiler.

Zafiyetin CVSS taban puanı 5.1 olup orta önem derecesine sahiptir.

Show the technical text from the sources

Vulnerability in Citrix UniconOS leading to Arbitrary file read and write This issue affects UniconOS: before 2607.2 CR and before 2603 LTSR CU2.

CVSS vector: CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N

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-2026-53564 vulnerability. Where our threat engine knows the exact affected versions, they are listed below.

IDVENDORPRODUCTACTION
1citrixUniconOS 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.

SCOREVERSIONSEVERITYVECTORSOURCE
5.1CVSS V40MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/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:XNVD
5.1CVSS V4_0MEDIUMCVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:NCVE 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-2026-53564 is associated with the following CWEs:

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-2026-53564 weaknesses.

Attack Vector and Accessibility

ExposureBitişik ağ
PermissionsGerekmiyor
User—

Official Sources and Advisories

CVSS Vector Radar Chart

5.1 / 10
Attack VectorAdjacentComplexityLowPrivilegesNoneUser Interact.RequiredConfidentialityLowIntegrityNoneAvailabilityNone

Vulnerability Scoring Details

CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
Attack VectorAdjacent network
Attack ComplexityLow
Privileges RequiredNone required
User InteractionP
Confidentiality (Gizlilik)Low
Integrity (Bütünlük)P
Availability (Erişilebilirlik)None

Yama durumu bilinmiyor

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

Follow the vendor

C
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CVE-2026-53564 · Arbitrary file read and write · DayBreach