Is CVE-2026-120426 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-120426?

CVE-2026-120426 has a CVSS v3 severity of HIGH (7.5).

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CVE-2026-120426

Description

OpenCSG CSGHub through v2.6.0-ce contains an authorization bypass vulnerability in the unauthenticated file resolve route that allows remote attackers to read private repository files. Attackers can inject a percent-encoded current_user parameter into the file path, which the portal forwards with its server API key, to read files in private model, code or space repositories.