CVEvulnerability
CVE-2026-55706
8.3 HIGH
Official page ↗
- Status
- Analyzed
- Published
- 2026-06-17
- Last modified
- 2026-07-13
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 5.8 MEDIUM — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
- CVSS 3.1 ([email protected])
- 8.3 HIGH — CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- Weaknesses
- CWE-1284
Description
sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.
Affected configurations
• openbsd openbsd (<= 7.6)
Related
Weakness · CWE (1)
- CWE-1284 Improper Validation of Specified Quantity in Input weakness
References
- https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html Third Party Advisory, Exploit
- https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8 Patch
- https://www.openwall.com/lists/oss-security/2026/06/16/9 Exploit, Mailing List, Patch, Third Party Advisory
- https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py Exploit