CVE-2026-55706: OpenBSD

High severity, CVSS 8.3. EPSS: 0.3% chance of exploitation in the next 30 days.

sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.

Affected products

• OpenBSD OpenBSD: up to and including 7.6

Published 2026-06-17. Last modified 2026-07-13.