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CVE-2026-33540

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high advisory

Distribution Toolkit Authentication Redirection Vulnerability (CVE-2026-33540)

A vulnerability in the distribution toolkit prior to 3.1.0 allows a malicious upstream registry or man-in-the-middle attacker to redirect authentication requests, potentially exposing upstream credentials.

CVE-2026-33540 authentication redirection container
2r 1t 1c