Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-54673

electron-updater allows for automatic updates for Electron apps. Prior to 9.7.0, the HTTP redirect handler (HttpExecutor.prepareRedirectUrlOptions) only stripped a credential header whose key string matched exactly lowercase "authorization", exposing credentials. Other credential-bearing headers — most notably PRIVATE-TOKEN (used by GitLab's personal access token flow) and mixed-case Authorization (used by GitLab's Bearer/OAuth flow) — were not stripped and could be forwarded to an attacker-controlled cross-origin redirect destination. This issue has been fixed in version 9.7.0.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 14.2%
CVSS Severity
CVSS v3 Score 6.5
Products affected by CVE-2026-54673


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