Vulnerability-Lookup

CVE-2026-45815 (GCVE-0-2026-45815)

Vulnerability from cvelistv5 – Published: 2026-07-24 12:10 – Updated: 2026-07-24 18:20

Title

Apache NimBLE: Remote reachable assertion in ATT Read Multiple Variable Response handler

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.

Severity

7.5 (High)


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

SSVC

Exploitation: none Automatable: yes Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-07-24 18:20 UTC

CWE

CWE-617 - Reachable Assertion

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1079 records in the last 180 days details

References

3 references

URL	Tags
https://github.com/apache/mynewt-nimble/commit/fa…	patch
https://lists.apache.org/thread/3d09hgo5zmm7dnrys…	vendor-advisory
http://www.openwall.com/lists/oss-security/2026/0…

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache NimBLE	Affected: 0 , ≤ 1.9.0 (semver)	guessed

Credits

Amemoyoi https://github.com/Amemoyoi

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-45815

Vulnerability from fkie_nvd - Published: 2026-07-24 13:18 - Updated: 2026-10-24 13:10

Severity

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

Summary

References

URL	Tags
security@apache.org	https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425	Patch
security@apache.org	https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos	Mailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.openwall.com/lists/oss-security/2026/07/24/14	Mailing List, Third Party Advisory

Impacted products

	Vendor	Product	Version
	apache	nimble	*

JSON

To clipboard

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GHSA-V377-9CXJ-WW4R

Vulnerability from github – Published: 2026-07-24 15:33 – Updated: 2026-07-24 21:32

Details

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.

Severity

7.5 (High)


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

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{
  "affected": [],
  "aliases": [
    "CVE-2026-45815"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-617"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2026-07-24T13:18:24Z",
    "severity": "HIGH"
  },
  "details": "Reachable Assertion vulnerability in Apache NimBLE.\nA specially crafted\u00a0ATT Read Multiple Variable Response (BLE_ATT_OP_READ_MULT_VAR_RSP) may trigger assert in ATT parser.\n\nSeverity is medium as this requires DUT to first send ATT Read Multiple Variable Request.\n\nThis issue affects Apache NimBLE: through 1.9.0.\n\nUsers are recommended to upgrade to version 1.10.0, which fixes the issue.",
  "id": "GHSA-v377-9cxj-ww4r",
  "modified": "2026-07-24T21:32:22Z",
  "published": "2026-07-24T15:33:01Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45815"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos"
    },
    {
      "type": "WEB",
      "url": "http://www.openwall.com/lists/oss-security/2026/07/24/14"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ]
}

Sightings

Author	Source	Type	Date	Other

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Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

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CVE-2026-45815 (GCVE-0-2026-45815)

FKIE_CVE-2026-45815

GHSA-V377-9CXJ-WW4R

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