Vulnerability DatabaseCVE-2026-51376
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CVE-2026-51376
Published:August 28, 2026
Updated:September 24, 2026
An issue in BitChat for iOS v1.15.0 allows a remote attacker to cause a denial of service via an unauthenticated MESSAGE packet into the mesh gossip cache
Affected Packages
https://github.com/permissionlesstech/bitchat.git (GITHUB):
Affected version(s) =v1.5.0 <v1.5.1
Fix Suggestion:
Update to version v1.5.1
github.com/permissionlesstech/bitchat (SWIFT):
Affected version(s) =v1.5.0 <v1.5.1
Fix Suggestion:
Update to version v1.5.1
Related Resources (3)
https://github.com/BARGHEST-ngo/PoC_Bitchat1.15.0_iOS-BLEcache-poisoning
https://github.com/permissionlesstech/bitchat/pull/998
https://barghest.asia/blog/bitchat-cache-poisoning/
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CVSS v4
Base Score:
7.1
Attack Vector
ADJACENT
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
NONE
Vulnerable System Confidentiality
NONE
Vulnerable System Integrity
NONE
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
6.5
Attack Vector
ADJACENT
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')
CWE-444
EPSS
Base Score:
0.26