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Priority LOW 36

In ServerCo getssl version 2.49 and prior, the ACME challenge token returned to the client was not strictly validated against RFC 8555 before being used in challenge-file handling, allowing a maliciously crafted token to…

CVSS 3.1HIGH 7.4 Network No auth No interaction EPSS 0.00757 Published 2026-06-16 No fix listed CWE-73