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CVE Vulnerability Details :
CVE-2026-55706
PUBLISHED
More InfoOfficial Page
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
View Known Exploited Vulnerability (KEV) details
Published At-17 Jun, 2026 | 00:53
Updated At-17 Jun, 2026 | 14:33
Rejected At-
▼CVE Numbering Authority (CNA)

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

Affected Products
Vendor
OpenBSDOpenBSD
Product
OpenBSD
Default Status
unaffected
Versions
Affected
  • From 0 before 076e2b1c1fc4ac0883a72d3544131ad5cee7adf8 (git)
Problem Types
TypeCWE IDDescription
CWECWE-1284CWE-1284 Improper Validation of Specified Quantity in Input
Type: CWE
CWE ID: CWE-1284
Description: CWE-1284 Improper Validation of Specified Quantity in Input
Metrics
VersionBase scoreBase severityVector
3.15.8MEDIUM
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Version: 3.1
Base score: 5.8
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html
N/A
https://www.openwall.com/lists/oss-security/2026/06/16/9
N/A
https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8
N/A
Hyperlink: https://blog.argus-systems.ai/blog/openbsd-pap-27-year-auth-bypass.html
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/06/16/9
Resource: N/A
Hyperlink: https://github.com/openbsd/src/commit/076e2b1c1fc4ac0883a72d3544131ad5cee7adf8
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py
exploit
Hyperlink: https://blog.argus-systems.ai/blog/poc-001-pap-bypass.py
Resource:
exploit
Details not found