CVE-2026-55706
HIGH
8.3
CVSS Score
Published: June 17, 2026 at 12:53 AM UTC
Updated: July 13, 2026 at 02:11 PM UTC
1 product affected across 1 vendorOpenBSD
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Severity
HIGH8.3
Exploit prediction
EPSS 0.4%
SSVC
PoC
Description
sppp_pap_input in sys/net/if_spppsubr.c in OpenBSD before 076e2b1 allows authentication bypass via certain zero values for lengths.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (4)
Third Party AdvisoryExploit
Source: cverecord
https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.htmlExploitMailing ListPatchThird Party Advisory
Source: cverecord
https://www.openwall.com/lists/oss-security/2026/06/16/9Patch
Source: cverecord
https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8Exploit
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
https://blog.argus-systems.ai/blog/poc-001-pap-bypass.pySSVC — Action Prioritization
SSVCPoCNot automatablePartial impact
SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.
CVSS
- Attack Vector
- ADJACENT_NETWORK
- Complexity
- HIGH
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- CHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusANALYZED
CWE
CWE-1284
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