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Fencer Vulns
medium 6.5

CVE-2026-50639 json

Metrics::Any::Adapter::SignalFx versions before 0.04 for Perl does not protect against metric injections

published 2026-06-10 4 mo ago modified 2026-10-26 14 d ago also EUVD-2026-36106

cvss
6.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.3%
EPSS 0.3% chance of exploitation in 30 days, percentile 18%
public exploits
0
none known

Summary

Metrics::Any::Adapter::SignalFx 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::SignalFx which extends Metrics::Any::Adapter::Statsd, which has a similar vulnerability.

In addition, the _labels function does not check tags labels newlines or statsd control characters. The labels can be used for metric injections.

Patch / fix

  • PEVANS Metrics::Any::Adapter::SignalFx 0.04

CISA SSVC

Exploitation
none
Automatable
yes
Technical impact
partial
Assessed
4 mo ago

Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 18% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CNA 3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

Affected products

  • PEVANS Metrics::Any::Adapter::SignalFx

Classification

Weakness
  • CWE-93 Improper Neutralization of CRLF Sequences
  • CWE-150 Improper Neutralization of Escape, Meta, or Control Sequences

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.