CVE-2026-45816
Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request
Description
NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event. This requires disabled asserts (otherwise assert would trigger before NULL dereference) and bogus (or misbehaving) controller, thus severity is low. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.
INFO
Published Date :
July 24, 2026, 1:18 p.m.
Last Modified :
July 27, 2026, 2:40 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| Score | Version | Severity | Vector | Exploitability Score | Impact Score | Source |
|---|---|---|---|---|---|---|
| CVSS | 134c704f-9b21-4f2e-91b3-4a467353bcc0 | |||||
| CVSS 3.1 | HIGH | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
Solution
- Upgrade Apache NimBLE to version 1.10.0.
- Apply vendor-supplied patches.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2026-45816.
| URL | Resource |
|---|---|
| https://github.com/apache/mynewt-nimble/commit/9448c5f495eb55018121b24a9dab5305c9222ea1 | Patch |
| https://lists.apache.org/thread/psppdk5j8jnq1m4jn96tnfofspgqvzvn | Mailing List Vendor Advisory |
| http://www.openwall.com/lists/oss-security/2026/07/24/15 | Mailing List Third Party Advisory |
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2026-45816 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2026-45816
weaknesses.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2026-45816 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2026-45816 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
Initial Analysis by [email protected]
Jul. 27, 2026
Action Type Old Value New Value Added CPE Configuration OR *cpe:2.3:a:apache:nimble:*:*:*:*:*:*:*:* versions up to (excluding) 1.10.0 Added Reference Type Apache Software Foundation: https://github.com/apache/mynewt-nimble/commit/9448c5f495eb55018121b24a9dab5305c9222ea1 Types: Patch Added Reference Type Apache Software Foundation: https://lists.apache.org/thread/psppdk5j8jnq1m4jn96tnfofspgqvzvn Types: Mailing List, Vendor Advisory Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/07/24/15 Types: Mailing List, Third Party Advisory -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Jul. 24, 2026
Action Type Old Value New Value Added CVSS V3.1 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added SSVC {'id': 'CVE-2026-45816', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'none'}, {'automatable': 'yes'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2026-07-24T18:22:09.194670Z'} -
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Jul. 24, 2026
Action Type Old Value New Value Added Reference http://www.openwall.com/lists/oss-security/2026/07/24/15 -
New CVE Received by [email protected]
Jul. 24, 2026
Action Type Old Value New Value Added Affected [{'vendor': 'Apache Software Foundation', 'product': 'Apache NimBLE', 'versions': [{'status': 'affected', 'version': '0', 'versionType': 'semver', 'lessThanOrEqual': '1.9.0'}], 'defaultStatus': 'unaffected'}] Added Description NULL Pointer Dereference vulnerability in Apache NimBLE in LE Long Term Key Request event. This requires disabled asserts (otherwise assert would trigger before NULL dereference) and bogus (or misbehaving) controller, thus severity is low. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue. Added CWE CWE-476 Added Reference https://github.com/apache/mynewt-nimble/commit/9448c5f495eb55018121b24a9dab5305c9222ea1 Added Reference https://lists.apache.org/thread/psppdk5j8jnq1m4jn96tnfofspgqvzvn