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High 8.8Published Jul 24, 2026

CVE-2026-45813Apache NimBLE: Incorrect data validation in BASS add/modify source operation

Updated under an hour ago ()

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.

Out-of-bounds Write, Integer Underflow (Wrap or Wraparound) vulnerability in Apache NimBLE BASS service. Improper validation when parsing BASS service  "Add Source" and "Modify Source" operation PDU could results in stack buffer overflow or arbitrary out-of-bound read. This can be triggered by nearby devices over Bluetooth connection, however pairing is required prior to accessing BASS service, which depending on device configuration may or may not require user action. This issue affects Apache NimBLE: through 1.9.0. Users are recommended to upgrade to version 1.10.0, which fixes the issue.

CVSS
8.8 HIGH (v3.1, CISA ADP)CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE)
CWE-787, CWE-191
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

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.

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