Vulnerability DatabaseCVE-2026-45815
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2026-45815
Published:July 24, 2026
Updated:August 06, 2026
Reachable Assertion vulnerability in Apache NimBLE. A specially crafted ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser. Severity is medium as this requires DUT to first send ATT Read Multiple Variable Request. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.
Affected Packages
https://github.com/apache/mynewt-nimble.git (GITHUB):
Affected version(s) >=nimble_1_0_0_tag <nimble_1_10_0_tag
Fix Suggestion:
Update to version nimble_1_10_0_tag
Related Resources (5)
https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425
http://www.openwall.com/lists/oss-security/2026/07/24/14
https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/45xxx/CVE-2026-45815.json
https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos
https://nvd.nist.gov/vuln/detail/CVE-2026-45815
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.7
Attack Vector
NETWORK
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:
7.5
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Weakness Type (CWE)
Reachable Assertion
CWE-617
EPSS
Base Score:
0.60