High 7.5Published Jul 24, 2026

CVE-2026-45815Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler

Updated under an hour ago (Oct 26, 2026, 9:00 AM ET)

Does this affect you?

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.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Apache Software Foundation Apache NimBLE

Exploited in the last 30 days

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.

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-617
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

https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425patch
https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbosvendor-advisory, mailing-list
http://www.openwall.com/lists/oss-security/2026/07/24/14mailing-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.