CVE-2026-45151
📛 CVE Title
NanoMQ: NULL Pointer Dereference
Description
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.
Overview
- State
- PUBLISHED
- Assigner (CNA)
- GitHub_M
- CVSS severity
- LOW
- CVSS score
- 2.9 / 10
- CVSS vector
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- Effective score
- 2.9 / 10 LOW source: CNA overview
- CWE(s)
-
CWE-476 - Reserved
- 2026-05-08
- Published
- 2026-05-29 19:30 UTC
- Last updated
- 2026-06-01 13:54 UTC
- Source
- https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/45xxx/CVE-2026-45151.json
- Linked Threat
- CVE-2026-45151 — CVE-2026-45151
NVD triage scoring NVD CVE 2.0
Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.
- NVD published
- 2026-05-29 20:16:25 UTC
- NVD last modified
- 2026-06-17 10:51:42 UTC
- EPSS score
- 0.0023 (probability of exploitation in next 30 days)
- EPSS percentile
- 13.27% vs all CVEs — higher = more likely to be exploited, as of 2026-06-30
NVD / KEV / EPSS data refreshed 2026-06-30 15:51 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.
European Union Vulnerability Database ENISA EUVD
ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.
- EUVD ID
-
EUVD-2026-33429 - Assigner
- GitHub_M
- Published
- May 29, 2026, 7:30:37 PM
- Updated
- Jun 1, 2026, 1:54:37 PM
- EUVD base score (CVSS 4.0)
-
2.9 / 10
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 - EUVD-reported EPSS
- 0.2300
- Vendors
- nanomq
- Products
-
nanomq (≤ 0.24.8)
ENISA description: 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.
EUVD references (1)
Affected products (1)
| Vendor | Product | Versions | Platforms |
|---|---|---|---|
| nanomq | nanomq |
<= 0.24.8 (affected)
|
— |
Vendor references (1)
References embedded in the original CVE record by the assigning CNA.
- https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5 x_refsource_CONFIRM
Web references (4)
DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.
- https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5 tenable:github.com
- https://nvd.nist.gov/vuln/detail/CVE-2026-45151 tenable:nvd.nist.gov
- https://www.cve.org/CVERecord?id=CVE-2026-45151 tenable:www.cve.org
- https://www.first.org/epss/ tenable:www.first.org
NVD-tagged references (2)
Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.
- https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5 security-advisories@github.com
- https://github.com/nanomq/nanomq/security/advisories/GHSA-9qhf-wgp4-p7w5 134c704f-9b21-4f2e-91b3-4a467353bcc0
Remediations (18)
Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.
-
web:blog.qualys.com
May 2026's Patch Tuesday arrives with Microsoft addressing a fresh set of vulnerabilities across its ecosystem, reinforcing the ongoing need for timely patching in an increasingly threat-heavy…
2026-06-08 15:51 UTC -
web:cyberpress.org
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added two actively exploited Microsoft Defender vulnerabilities to its Known Exploited Vulnerabilities (KEV) catalog, issuing an urgent remediation directive for federal agencies with a due date of June 3, 2026 .
2026-06-08 15:51 UTC -
web:cybersecuritynews.com
Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.
2026-06-08 15:51 UTC -
web:portal.msrc.microsoft.com
The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.
2026-06-08 15:51 UTC -
web:www.forbes.com
Following the release of a BitLocker zero-day security bypass by a disgruntled hacker, Microsoft has now offered mitigation advice until a patch is available.
2026-06-08 15:51 UTC -
web:www.helpnetsecurity.com
The fix will be rolled into the June Patch Tuesday release. The June Patch Tuesday release will contain a fix for the failures and errors when installing KB5089549 for Windows 11.
2026-06-08 15:51 UTC -
web:www.lansweeper.com
Which vulnerabilities, issues, and other things did Microsoft update? Discover what's new using Lansweeper's Patch Tuesday May 2026 summary.
2026-06-08 15:51 UTC -
web:www.malwarebytes.com
The KEV catalog tracks vulnerabilities known to be exploited in the wild and sets patch deadlines for Federal Civilian Executive Branch (FCEB) agencies. Five of the added vulnerabilities are quite old by vulnerability standards. Patches were released in 2008, 2009, and 2010. But the Microsoft Defender vulnerabilities are from this year. Those ...
2026-06-08 15:51 UTC -
web:www.oracle.com
This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.
2026-06-08 15:51 UTC -
web:zecurit.com
Get the complete breakdown of Microsoft's June 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .
2026-06-08 15:51 UTC -
web:cybersecuritynews.com
Microsoft has officially acknowledged a critical zero-day vulnerability in Microsoft Defender, publicly dubbed "RoguePlanet," and confirmed it is actively developing a security patch to address the flaw.
2026-06-19 02:31 UTC -
web:nvd.nist.gov
Information Technology Laboratory National Vulnerability Database Vulnerabilities
2026-06-19 02:31 UTC -
web:support.microsoft.com
Improvements This update includes new features and quality improvements that were part of the following update: May 12, 2026—KB5089548 (OS Build 28000.2113) May 26, 2026—KB5089570 (OS Build 28000.2179) This update addresses security vulnerabilities documented in the following guide: June 2026 Security Updates The following summary outlines key quality improvements addressed by this update ...
2026-06-19 02:31 UTC -
web:www.computerworld.com
Microsoft says it is considering a patch for a zero-day vulnerability, dubbed YellowKey, that allows attackers with access to a Windows device to bypass Bitlocker encryption protection and read ...
2026-06-19 02:31 UTC -
web:www.crowdstrike.com
Microsoft has released security updates for 130 vulnerabilities, including 30 critical, in its May 2026 Patch Tuesday rollout.
2026-06-19 02:31 UTC -
web:www.csoonline.com
Microsoft highlighted six new and actively exploited vulnerabilities among the 60 fixes issued in today's February Patch Tuesday releases.
2026-06-19 02:31 UTC -
web:www.csoonline.com
Microsoft released emergency fixes for two zero-day vulnerabilities in the malware protection components of Microsoft Defender. The flaws allow local attackers to gain system-level privileges or ...
2026-06-19 02:31 UTC -
web:www.malwarebytes.com
Microsoft says it's working on a fix for an unpatched Defender vulnerability that can give attackers the highest level of access on Windows.
2026-06-19 02:31 UTC
AI Forensic Analysis
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Raw JSON
The full cvelistV5 record. Download as CVE-2026-45151.json.
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