CVE-2026-10054: Eclipse Theia 1.8.1 to before 1.73.0

CVE-2026-10054. CVSS 3.1 base score 8.8 (HIGH, Vendor/CNA). EPSS 0.00219 (percentile 0.12322), scored 25-Oct-2026.

Affected technology

Eclipse Theia · 1.8.1 to before 1.73.0
Eclipse Foundation

Description’s affected range: versions of Eclipse Theia (1.8.1 and later)

Component: Not specified by the source

Attack conditions (Vendor/CNA, CVSS 3.1): Network (remote) · No privileges required · User interaction required

What an attacker can do

A client-supplied fix-origin header that an attacker can control or omit. Vendor/CNA’s CVSS 3.1 assessment (base score 8.8/10) rates confidentiality, integrity and availability impact as high.

Published 25-Oct-2026 21:45 UTC

CWE: CWE-306, CWE-1385
CCR priority: 35.3 /100 (P4)
CVSS 3.1: 8.8 /10 · CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H · Vendor/CNA
EPSS: 0.00219 · percentile 0.12322 · 2026-10-25
KEV: no

Provenance

NVD CVE API 2.0 · Source record · observed 2026-10-25 21:44:36.062275+00:00 UTC

Stable permalink: https://cybercodered.org/item/cve-cve-2026-10054.html