CVE-2026-55706NVD

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

Severity Level

MEDIUM(5.8)

Published Date

Jun 17, 2026

Last Modified

Jul 13, 2026

Exploitation Status

No confirmed exploitation yet

EPSS Score (30-Day)

0.35%Probability

Root Weakness (CWE)

Refer to the official MITRE database for detailed architectural specifications regarding this weakness.

CVSS v3.1 Base Metrics — Score 5.8 (MEDIUM)

Attack VectorAdjacent

Attack ComplexityHigh

Privileges RequiredNone

User InteractionNone

ScopeChanged

ConfidentialityLow

IntegrityLow

AvailabilityLow

Affected Versions

Patched Versions

Not provided by NVD for this CVE.

📧Email Delivery — Threat intel straight to your inbox.

♾️Unlimited Vendors — Track your entire stack.

🚨All New CVEs — Be the first to know.

⚙️Custom EPSS — Filter noise, focus on risk.

💬Webhooks — Slack & Teams integration.