CVE-2026-45815

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 3.1

7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

1.0% chance of exploitation in the next 30 days; higher than 63% of CVEs (scores of 2026-10-25)

CWE

CWE-617

Published

2026-07-24

Modified

2026-10-24

Record from

the NVD, synced 2026-10-24

Affected

• apache:nimble

References

• https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425
• https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos
• http://www.openwall.com/lists/oss-security/2026/07/24/14

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