NULL Pointer Dereference Affecting emqx/nanomq package, versions [0.24.6,0.24.7)
Threat Intelligence
Snyk has a proof-of-concept or detailed explanation of how to exploit this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Start learning- Snyk IDSNYK-UNMANAGED-EMQXNANOMQ-15221602
- published5 Feb 2026
- disclosed4 Feb 2026
- creditFuzz0X
Introduced: 4 Feb 2026
CVE-2025-68699 (opens in a new tab)How to fix?
Upgrade emqx/nanomq to version 0.24.7 or higher.
Overview
Affected versions of this package are vulnerable to NULL Pointer Dereference due to the improper validation of shared subscription topics. An attacker can cause a crash by sending a specially crafted SUBSCRIBE topic (e.g. $share/ab)that is not strictly validated, leading to a NULL pointer increment and subsequent invalid memory access during message forwarding.