CVE-2026-110447: Collabora Online Code Server'da Uzaktan Kod Çalıştırma Açığı

Nextcloud'daki Collabora Online Code Server sürüm 26.4.303 öncesi sürümler etkileniyor. Saldırganlar bu zafiyetle sistemde komut çalıştırabilir. Hemen en güncel sürüme (26.4.303 ve sonrası) güncelleyin.

Türkçe özet yapay zekâ ile üretildi.

Açıklama (NVD)

Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild in September and October 2026, a different vulnerability than CVE-2025-66208. This is an OS command injection in proxy.php when the CODE server isn't running (e.g., the product was recently restarted). The vulnerability is not present in standalone Collabora Online servers; only this deployment with CODE Server is affected.

Özet bilgiler

Ürün

Collabora Collabora Online - Built-in Code Server

CVSS v3.1

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

CVSS v4.0

9.2 CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/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

EPSS

%73,31 (yüzdelik 99)

CWE

CWE-78

Yama

Yok / bilinmiyor

KEV

Eklenme: 2026-10-23 · Son tarih: 2026-10-26

Gerekli aksiyon: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Etkilenen sürümler

Kaynaklar

• NVD kaydı
• github.com
• help.nextcloud.com
• www.cisa.gov
• CWE-78
• CISA KEV kataloğu