CVE-2026-110447

En bref

Sévérité: CRITICAL 9.2
Exploitation: Exploitation connue (CISA KEV) · ajoutée le 2026-10-23
Exploitée selon l'ENISA depuis le 2026-10-23
EPSS: EPSS 11.63 % · centile 96 (2026-10-27)
État: PUBLISHED
Publiée: 2026-10-14
Mise à jour: 2026-10-24
Attribuée par: mitre
Statut NVD: Analyzed

Description

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.

Scores

Version	Score	Vecteur	Évalué par
CVSS 4.0	CRITICAL 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	mitre
CVSS 4.0	CRITICAL 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	NVD · cve@mitre.org (Secondary)
CVSS 3.1	CRITICAL 9.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	NVD · nvd@nist.gov (Primary)

Faiblesses (CWE)

CWE-78

Références européennes

ENISA EUVD · EUVD-2026-100780
GCVE · GCVE-0-2026-110447

Configurations affectées (CPE NVD)

cpe:2.3:a:collabora:online:*:*:*:*:*:nextcloud:*:* < 26.4.303

Produits affectés

Produit	Versions
Collabora · Collabora Online - Built-in CODE Server	affected 0 < 26.4.303

Références

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
CISA Known Exploited Vulnerabilities	CC0 1.0
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD