High7.5Apache Software Foundation

High [CVE-2026-45815] Reachable Assertion vulnerability in Apache NimBLE

This high-severity Apache Software Foundation advisory covers CVE-2026-45815 affecting Apache NimBLE.

CVE-2026-45815 Published Jul 24, 2026Updated by vendor Jul 27, 2026

CVE-2026-45815

Affected products & platforms

Apache Software FoundationUnclassified

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Summary

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.

Affected versions

through 1.9.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Fixed versions

1.10.0

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Mitigation checklist

Recommended fix / mitigation

Users are recommended to upgrade to version 1.10.0, which fixes the issue.

Official advisory · high-confidence parse· fetched 2 months ago·verify at source

Sources

Official and corroborating records used to build this advisory.

Official vendor advisoryofficial
Official advisory page fetched and parsed for the summary, affected/fixed versions and remediation guidance it provides.
Apache Software Foundation
CVE.org CNA recordCVE.org
Independent CNA record used for near-real-time discovery and missed-CVE reconciliation. Discovered from the machine-readable feed https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/delta.json; this link opens the CVE.org record for CVE-2026-45815 instead of the raw feed document.
CVE Program

Cross-references

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CVE-2026-45815NVD CVE.org MITRE

Official resources

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