Skip to content
OpenAdvisories
Medium · 4.6 CVE-2026-87897 EUVD-2026-111132

A SSRF vulnerability found that enables access to internal Chrome Devtools Protocol APIs that can leak the JWT authentication token for ano…

Published Oct 27, 2026 · Updated Nov 4, 2026 · Assigned by hackerone

Description

A SSRF vulnerability found that enables access to internal Chrome Devtools Protocol APIs that can leak the JWT authentication token for another user. A low privileged attacker could continually exploit this vulnerability to leak the JWT authentication token for another user when they start a recording, which then enables the attacker read/write access to the victim's Whiteboard.

Affected products

VendorProductAffectedFixed
Nextcloud whiteboard 1.0.0 – < 1.0.0 1.0.0

Advisories 1

References