High 7.5Published Jul 24, 2026

CVE-2026-45816Apache NimBLE: NULL pointer dereference vulnerability in SMP LTK request

Updated under an hour ago (Oct 26, 2026, 1:40 PM ET)

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It affects Apache Software Foundation Apache NimBLE and 1 other product. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

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Every CVE for Apache Software Foundation Apache NimBLE

Exploited in the last 30 days

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.

CVSS: 7.5 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: apache
NVD analysis: Analyzed
Record last updated: Jul 24, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Apache Software Foundation Apache NimBLE apache_software_foundation:apache_nimble (from the name)	through 1.9.0	CNA record
apache nimble apache:nimble	before 1.10.0	NVD

References

References

https://github.com/apache/mynewt-nimble/commit/9448c5f495eb55018121b24a9dab5305c9222ea1	patch
https://lists.apache.org/thread/psppdk5j8jnq1m4jn96tnfofspgqvzvn	vendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/07/24/15	mailing-list, third-party-advisory

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.