CVE-2026-47257

CVSS 8.1 (high) · published 2026-11-12

BACnet Stack is a BACnet open source protocol stack C library for embedded systems. In versions 1.5.0 and 1.6.0-rc1, there is a restore logic flaw in bacnet-stack that is reachable through the official, unmodified apps/server management path when BACNET_BACKUP_RESTORE is enabled. This issue has been patched in versions 1.5.1 and 1.6.0.

Weakness: CWE-670, CWE-754

Source: NVD CVE-2026-47257

References

• https://github.com/bacnet-stack/bacnet-stack/pull/1352
• https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-x6pp-3pf3-f87r
• https://github.com/bacnet-stack/bacnet-stack/security/advisories/GHSA-x6pp-3pf3-f87r

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