How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. Rated impact: confidentiality none, integrity none, availability low.
CVSS metrics in full
The score comes from this vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:L
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Attack requirements: None — no deployment-specific condition has to hold.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: Passive — a victim action is involved, but not a deliberate one.
- Confidentiality impact: None.
- Integrity impact: None.
- Availability impact: Low — limited, and the attacker does not choose what is affected.
Weakness class
CVE-2026-71439 is classified as CWE-1322: Use of Blocking Code in Single-threaded, Non-blocking Context. The product uses a non-blocking model that relies on a single threaded process for features such as scalability, but it contains code that can block when it is invoked.
Affected software
CVE-2026-71439 is recorded against 2 packages.
Timeline and source
Published on 6 August 2026 and last revised on 7 August 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.
References
github.com (Web)
github.com (Web)
github.com (Web)
github.com (Package)
github.com (Web)
Other advisories for this package
mermaid has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-1322: Use of Blocking Code in Single-threaded, Non-blocking Context) in other software:
