CVE-2026-110447 (GCVE-0-2026-110447)

Vulnerability from cvelistv5 – Published: 2026-10-14 02:27 – Updated: 2026-10-14 19:05
VLAI Previdian
Summary
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.
Severity
9.2 (Critical)
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-14 18:05 UTC
CWE
  • CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')
Assigner
mitre CNA under the mitre root
CNA scorecard E 28/100 over 2325 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Collabora Collabora Online - Built-in CODE Server Affected: 0 , < 26.4.303 (semver)
guessed Create a notification for this product.
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 795dd9f8-bd1f-4b8e-ba63-4ef197066fcc

Vulnerability ID: CVE-2026-110447

Status: Confirmed

Status Updated: 2026-10-14 02:40 UTC

Exploited: Yes

Timestamps
First Seen: 2026-10-14
Asserted: 2026-10-14
Scope
Notes: Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild... | Affected: Collabora / Collabora Online - Built-in CODE Server | CVSS: 9.2 (CRITICAL) | EPSS: 0.01225 | Used in malware: unknown | Not yet in CISA KEV: True
Evidence

Type: Public Report

Signal: Successful Exploitation

Confidence: 70%

Source: previdian

Details
Feed Previdian (previdian.com)
Title Collabora Online Built-in CODE Server before 26.4.303 (richdocumentscode), a Nextcloud app, allows remote code execution, as exploited in the wild...
Cve Id CVE-2026-110447
Vendor Collabora
Ghsa Id None
Product Collabora Online - Built-in CODE Server
Added Date 2026-10-14T02:40:18.583Z
Cvss Score 9.2
Epss Score 0.01225
Previous Ids
Cvss Severity CRITICAL
Virtual Patch False
Cvss Estimated False
Epss Percentile 0.68235
Used In Malware unknown
Vulnerability Id CVE-2026-110447
Ahead Of Cisa Kev None
Not Yet In Cisa Kev True
References
Created: 2026-10-15 03:00 UTC | Updated: 2026-10-15 03:00 UTC
Show details on NVD website
To clipboard 

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