Reachable assertion in Apache NimBLE - CVE-2026-45815
Published: August 24, 2026
Vulnerability identifier: #VU144751
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-45815
CWE-ID: CWE-617
Exploitation vector: Adjecent network
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to reachable assertion in ATT Read Multiple Variable Response handler when parsing a specially crafted ATT Read Multiple Variable Response. A remote attacker can send a specially crafted ATT Read Multiple Variable Response to cause a denial of service.
Exploitation requires the device under test to first send an ATT Read Multiple Variable Request.
Affected software
Apache NimBLE
How to mitigate CVE-2026-45815
Install security update from vendor's website.
Apache NimBLE - update to 1.10.0