CVE-2026-55706
CVSS Score
5.8
EPSS Score
0.0%
EPSS Percentile
0th
sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.
| CWE | CWE-1284 |
| Vendor | openbsd |
| Product | openbsd |
| Published | Jun 17, 2026 |
| Last Updated | Jun 17, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L Attack Vector
Adjacent
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Affected Versions
OpenBSD / OpenBSD
0 < 076e2b1c1fc4ac0883a72d3544131ad5cee7adf8
References
blog.argus-systems.ai: https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html openwall.com: https://www.openwall.com/lists/oss-security/2026/06/16/9 github.com: https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8 blog.argus-systems.ai: https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py