CVE-2026-50638

CVE-2026-50638 is a critical-severity vulnerability in Pevans Metrics with a CVSS 3.x base score of 9.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-93.

Key facts

Description

Metrics::Any::Adapter::DogStatsd versions before 0.04 for Perl does not protect against metric injections. The statsd protocol (and extensions such as dogstatsd) allow mutiple metrics, separated by newlines, to be sent per packet. Metrics::Any::Adapter::DogStatsd which extends Metrics::Any::Adapter::Statsd, which has a similar vulnerability. In addition, the _tags function does not check tags for newlines or statsd control characters. The tags can be used for metric injections.

Frequently asked questions

What is CVE-2026-50638?
Metrics::Any::Adapter::DogStatsd versions before 0.04 for Perl does not protect against metric injections. The statsd protocol (and extensions such as dogstatsd) allow mutiple metrics, separated by newlines, to be sent per packet. Metrics::Any::Adapter::DogStatsd which extends Metrics::Any::Adapter::Statsd, which has a similar vulnerability. In addition, the _tags function does not check tags for newlines or statsd control characters. The tags can be used for metric injections.
How severe is CVE-2026-50638?
CVE-2026-50638 has a CVSS 3.x base score of 9.1, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2026-50638 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (26th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-50638?
CVE-2026-50638 affects Pevans Metrics. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-50638?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2026-50638 have an EU (EUVD) identifier?
Yes. CVE-2026-50638 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-36105.
When was CVE-2026-50638 published?
CVE-2026-50638 was published on 2026-06-10 and last updated on 2026-06-24.

References

Affected products (1)

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