CVE-2026-26514 Command injection in n/a

High 7.5 Published Updated

Remote attackers can inject arbitrary flags into the traceroute module via the q parameter, causing a Denial of Service by exhausting system resources.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-26514?

CVE-2026-26514 is a high-severity command injection vulnerability in n/a, published on 4 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An Argument Injection vulnerability exists in bird-lg-go before commit 6187a4e. The traceroute module uses shlex.Split to parse user input without validation, allowing remote attackers to inject arbitrary flags (e.g., -w, -q) via the q parameter. This can be exploited to cause a Denial of Service (DoS) by exhausting system resources.

Weakness: CWE-88

Which versions are affected by CVE-2026-26514?

It affects 1 product.

Products include Xddxdd Bird-Lg-Go.

How do I fix CVE-2026-26514?

No fix has been published for CVE-2026-26514 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2026-26514 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-26514 exists.

Sources

Also known as GHSA-p77v-q5x4-m9wp.

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