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CVE-2026-59804: midscene 0 through 1.10.3
CVE-2026-59804. CVSS 3.1 base score 6.8 (MEDIUM, Vendor/CNA). EPSS 0.00308 (percentile 0.21535), scored 06-Oct-2026.
Affected technology
midscene · 0 through 1.10.3
web-infra-dev
Description’s affected range: through 1.10.3, fixed in commit 86f4118,
Component: Not specified by the source
Attack conditions (Vendor/CNA, CVSS 4.0): Network (remote) · No privileges required · Passive user interaction
What an attacker can do
Unauthenticated remote attackers can hijack active bridge sessions by opening a cross-origin WebSocket connection to the local Socket.IO server, which performs no Origin header validation and requires no authentication token. Vendor/CNA’s CVSS 4.0 assessment (base score 7.6/10) rates confidentiality and integrity impact as high; availability impact as none.
- CWE
- CWE-306, CWE-1385
- CCR priority
- 27.3 /100 (P4)
- CVSS 3.1
- 6.8 /10 · CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:N · Vendor/CNA
- EPSS
- 0.00308 · percentile 0.21738 · 2026-10-11
- KEV
- no
Provenance
- FIRST EPSS daily exploit-probability · Source record · observed 2026-10-11 23:42:05.235979+00:00 UTC
- NVD CVE API 2.0 · Source record · observed 2026-10-08 17:32:11.049884+00:00 UTC
Stable permalink: https://cybercodered.org/item/cve-cve-2026-59804.html