# Bacnetstack Bacnet Stack vulnerabilities

Source: https://junglewise.ai/threats/technologies/bacnetstack-bacnet-stack  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Updated: 12 November 2026, 03:07 UTC. Rebuilt every hour.  
Data: https://junglewise.ai/threats/technologies/bacnetstack-bacnet-stack.json  
License: CC BY 4.0 with a link back

Junglewise Threat Intelligence has tracked 4 vulnerabilities in Bacnetstack Bacnet Stack: 0 in the last 7 days and 0 in the last 90 days, 1 of them critical and 0 exploited in the wild. The most recent, CVE-2026-41503, was published on 24 April 2026.

## Counts

- Last 7 days: 0
- Last 30 days: 0
- Last 90 days: 0
- All time: 4 (1 critical, 0 exploited in the wild)

## About Bacnetstack Bacnet Stack

BACnet stack implementation for building automation and control systems.

## Latest Bacnetstack Bacnet Stack vulnerabilities

- [CVE-2026-41503: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds…](https://junglewise.ai/threats/cve-2026-41503-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-41502: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one…](https://junglewise.ai/threats/cve-2026-41502-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-41475: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds…](https://junglewise.ai/threats/cve-2026-41475-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (critical, CVSS 9.1, published 24 Apr 2026)
- [CVE-2026-40279: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decode_signed32()…](https://junglewise.ai/threats/cve-2026-40279-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (low, CVSS 3.7, published 21 Apr 2026)

## Most severe Bacnetstack Bacnet Stack vulnerabilities

- [CVE-2026-41475: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds…](https://junglewise.ai/threats/cve-2026-41475-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (critical, CVSS 9.1, published 24 Apr 2026)
- [CVE-2026-41503: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an out-of-bounds…](https://junglewise.ai/threats/cve-2026-41503-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-41502: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, an off-by-one…](https://junglewise.ai/threats/cve-2026-41502-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (high, CVSS 7.5, published 24 Apr 2026)
- [CVE-2026-40279: BACnet Stack is a BACnet open source protocol stack C library for embedded systems. Prior to 1.4.3, decode_signed32()…](https://junglewise.ai/threats/cve-2026-40279-bacnet-stack-is-a-bacnet-open-source-protocol-stack-c-library-for) (low, CVSS 3.7, published 21 Apr 2026)

## Vulnerabilities per week

Nothing was published in the last eight weeks.

| Week of | Vulns | Critical | Exploited |
| --- | --- | --- | --- |
| 17 Aug 2026 | 0 | 0 | 0 |
| 24 Aug 2026 | 0 | 0 | 0 |
| 31 Aug 2026 | 0 | 0 | 0 |
| 7 Sep 2026 | 0 | 0 | 0 |
| 14 Sep 2026 | 0 | 0 | 0 |
| 21 Sep 2026 | 0 | 0 | 0 |
| 28 Sep 2026 | 0 | 0 | 0 |
| 5 Oct 2026 | 0 | 0 | 0 |
| 12 Oct 2026 | 0 | 0 | 0 |
| 19 Oct 2026 | 0 | 0 | 0 |
| 26 Oct 2026 | 0 | 0 | 0 |
| 2 Nov 2026 | 0 | 0 | 0 |
| 9 Nov 2026 | 0 | 0 | 0 |

## Sources

NVD, GitHub Security Advisories, OSV, the CISA Known Exploited Vulnerabilities catalog, FIRST EPSS and vendor advisories. Rebuilt every hour. Cite as: Junglewise Threat Intelligence, "Bacnetstack Bacnet Stack vulnerabilities", https://junglewise.ai/threats/technologies/bacnetstack-bacnet-stack, 12 November 2026.