CVE-2026-45815

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 Software

Weaknesses

• CWE-617: CWE-617 Reachable Assertion

ADP Enrichment

CVE Program Container

Additional References

• http://www.openwall.com/lists/oss-security/2026/07/24/14

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425
• https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos

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