CVE-2026-51376
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
- Published
- Aug 28, 2026
- Updated
- Sep 1, 2026
- Assigning CNA
- mitre
- Evidence observed
- Sep 9, 2026
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HLow · next 30 days
- Percentile
- 18.3%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
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
Sources
1Proof-of-concept exploit for BLE cache poisoning in Bitchat 1.15.0, demonstrating a man-in-the-middle attack that poisons the Bluetooth Low Energy cache to compromise communication.
Responsible use
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