Vulnerability Details CVE-2026-55706
sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.004
EPSS Ranking 27.7%
CVSS Severity
CVSS v3 Score 5.8
References
Products affected by CVE-2026-55706
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cpe:2.3:o:openbsd:openbsd:-
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cpe:2.3:o:openbsd:openbsd:2.0
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cpe:2.3:o:openbsd:openbsd:2.1
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cpe:2.3:o:openbsd:openbsd:2.2
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cpe:2.3:o:openbsd:openbsd:2.3
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cpe:2.3:o:openbsd:openbsd:2.4
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cpe:2.3:o:openbsd:openbsd:2.5
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cpe:2.3:o:openbsd:openbsd:2.6
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cpe:2.3:o:openbsd:openbsd:2.7
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cpe:2.3:o:openbsd:openbsd:2.8
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cpe:2.3:o:openbsd:openbsd:2.9
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cpe:2.3:o:openbsd:openbsd:3.0
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cpe:2.3:o:openbsd:openbsd:3.1
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cpe:2.3:o:openbsd:openbsd:3.2
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cpe:2.3:o:openbsd:openbsd:3.3
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cpe:2.3:o:openbsd:openbsd:3.4
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cpe:2.3:o:openbsd:openbsd:3.5
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cpe:2.3:o:openbsd:openbsd:3.6
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cpe:2.3:o:openbsd:openbsd:3.7
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cpe:2.3:o:openbsd:openbsd:3.8
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cpe:2.3:o:openbsd:openbsd:3.9
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cpe:2.3:o:openbsd:openbsd:4.0
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cpe:2.3:o:openbsd:openbsd:4.1
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cpe:2.3:o:openbsd:openbsd:4.2
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cpe:2.3:o:openbsd:openbsd:4.3
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cpe:2.3:o:openbsd:openbsd:4.4
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cpe:2.3:o:openbsd:openbsd:4.5
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cpe:2.3:o:openbsd:openbsd:4.6
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cpe:2.3:o:openbsd:openbsd:4.7
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cpe:2.3:o:openbsd:openbsd:4.8
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cpe:2.3:o:openbsd:openbsd:4.9
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cpe:2.3:o:openbsd:openbsd:5.0
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cpe:2.3:o:openbsd:openbsd:5.1
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cpe:2.3:o:openbsd:openbsd:5.2
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cpe:2.3:o:openbsd:openbsd:5.3
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cpe:2.3:o:openbsd:openbsd:5.4
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cpe:2.3:o:openbsd:openbsd:5.5
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cpe:2.3:o:openbsd:openbsd:5.6
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cpe:2.3:o:openbsd:openbsd:5.7
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cpe:2.3:o:openbsd:openbsd:5.8
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cpe:2.3:o:openbsd:openbsd:5.9
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cpe:2.3:o:openbsd:openbsd:6.0
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cpe:2.3:o:openbsd:openbsd:6.1
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cpe:2.3:o:openbsd:openbsd:6.2
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cpe:2.3:o:openbsd:openbsd:6.3
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cpe:2.3:o:openbsd:openbsd:6.4
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cpe:2.3:o:openbsd:openbsd:6.5
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cpe:2.3:o:openbsd:openbsd:6.6
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cpe:2.3:o:openbsd:openbsd:6.7
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cpe:2.3:o:openbsd:openbsd:6.9
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cpe:2.3:o:openbsd:openbsd:7.0
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cpe:2.3:o:openbsd:openbsd:7.1
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cpe:2.3:o:openbsd:openbsd:7.2
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cpe:2.3:o:openbsd:openbsd:7.3
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cpe:2.3:o:openbsd:openbsd:7.4
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cpe:2.3:o:openbsd:openbsd:7.5
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cpe:2.3:o:openbsd:openbsd:7.6