CVE-2026-55706

MEDIUM

OpenBSD - Improper Validation of Specified Quantity in Input

Title source: rule
STIX 2.1

Description

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

References (4)

Core 4

Scores

CVSS v3 5.8
EPSS 0.0024
EPSS Percentile 14.6%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-1284
Status published
Products (1)
OpenBSD/OpenBSD < 076e2b1c1fc4ac0883a72d3544131ad5cee7adf8
Published Jun 17, 2026
Tracked Since Jun 17, 2026