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 (v2.0.3)

CWE

CWE-617 - Reachable Assertion

Assigner

apache

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
Apache Software Foundation	Apache NimBLE	Affected: 0 , ≤ 1.9.0 (semver)

Credits

Amemoyoi https://github.com/Amemoyoi

Show details on NVD website

JSON

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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

Show details on source website

JSON

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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"
  },
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  "id": "GHSA-v377-9cxj-ww4r",
  "modified": "2026-07-24T21:32:22Z",
  "published": "2026-07-24T15:33:01Z",
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    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-45815"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apache/mynewt-nimble/commit/fae6a4874309ba0175d2c444e20f8a6bde007425"
    },
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      "type": "WEB",
      "url": "https://lists.apache.org/thread/3d09hgo5zmm7dnryst3tb9857hk1bbos"
    },
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      "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

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
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.

Detection rules are retrieved from Rulezet.

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.

Action not permitted

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

GHSA-V377-9CXJ-WW4R

Tags

Sightings

Nomenclature