Vulnerability-Lookup

CVE-2026-45151 (GCVE-0-2026-45151)

Vulnerability from cvelistv5 – Published: 2026-05-29 19:30 – Updated: 2026-06-01 13:54

Title

NanoMQ: NULL Pointer Dereference

Summary

NanoMQ MQTT Broker (NanoMQ) is an all-around Edge Messaging Platform. In 0.24.8 and earlier, quic_stream_recv can dereference a null substream pointer when a substream is in reopen state. The code finishes the AIO with error but does not return before locking c->mtx.

Severity

2.9 (Low)


                        
                          CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-06-01 13:54 UTC

CWE

CWE-476 - NULL Pointer Dereference

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/nanomq/nanomq/security/advisor…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version	CPE status
nanomq	nanomq	Affected: <= 0.24.8	guessed

Show details on NVD website

JSON

To clipboard

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FKIE_CVE-2026-45151

Vulnerability from fkie_nvd - Published: 2026-05-29 20:16 - Updated: 2026-07-22 06:10

Severity

2.9 (Low) - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Summary

References

	URL	Tags
	security-advisories@github.com	https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5
	134c704f-9b21-4f2e-91b3-4a467353bcc0	https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5

Impacted products

	Vendor	Product	Version

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "nanomq",
          "vendor": "nanomq",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 0.24.8"
            }
          ]
        }
      ],
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    }
  ],
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    {
      "lang": "en",
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    },
    {
      "lang": "es",
      "value": "NanoMQ MQTT Broker (NanoMQ) es una Plataforma de Mensajer\u00eda de Borde integral. En 0.24.8 y anteriores, quic_stream_recv puede desreferenciar un puntero de subflujo nulo cuando un subflujo est\u00e1 en estado de reapertura. El c\u00f3digo finaliza la AIO con error pero no retorna antes de bloquear c-\u003emtx."
    }
  ],
  "id": "CVE-2026-45151",
  "lastModified": "2026-07-22T06:10:00.170",
  "metrics": {
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
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          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.9,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "PROOF_OF_CONCEPT",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
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          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
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}

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.
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.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

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.