CVE-2026-46739 Net::Statsd versions before 0.13 for Perl allow metric injections
Attackers can inject arbitrary statsd metrics via untrusted input due to lack of validation in the Net::Statsd Perl library.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-46739?
CVE-2026-46739 is a medium-severity vulnerability in COSIMO Net::Statsd, published on 4 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Net::Statsd versions before 0.13 for Perl allow metric injections.
The metric names are not checked for newlines, colons or pipes. Metrics generated from untrusted sources could inject additional statsd metrics.
The update_stats (used for updating counters) and gauge methods do not check that values are numeric (which would block metric injection).
Which versions are affected by CVE-2026-46739?
It affects 1 product.
Products include Cosimo Net\.
How do I fix CVE-2026-46739?
Upgrade to a fixed version.
Is CVE-2026-46739 being exploited?
There is no known exploitation of CVE-2026-46739 in the wild and no public exploit code.
Sources
Also known as DEBIAN-CVE-2026-46739, GHSA-wjp4-mf92-6wh6, UBUNTU-CVE-2026-46739.