CVE-2026-51376

6.5 mediumEPSS 0.4%

Medium (6.5). EPSS 0.4% chance of exploitation in the next 30 days.

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

Severity

CVSS 3.1

6.5 medium

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 33% of CVEs (scores of 2026-10-31)
CWE: CWE-444
Published: 2026-08-28
Modified: 2026-09-01
Record from: the NVD, synced 2026-10-19

References

https://barghest.asia/blog/bitchat-cache-poisoning/
https://github.com/BARGHEST-ngo/PoC_Bitchat1.15.0_iOS-BLEcache-poisoning
https://github.com/permissionlesstech/bitchat/pull/998

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