PEVANS Metrics::Any::Adapter::SignalFx up to 0.03 on Perl Control Character _labels crlf injection

CVSS Meta Temp Score
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CTI Interest Score
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6.8$0-$5k2.36

Summaryinfo

A vulnerability was found in PEVANS Metrics::Any::Adapter::SignalFx up to 0.03 on Perl. It has been classified as critical. Affected by this vulnerability is the function _labels of the component Control Character Handler. This manipulation causes crlf injection. The identification of this vulnerability is CVE-2026-50639. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in PEVANS Metrics::Any::Adapter::SignalFx up to 0.03 on Perl. It has been declared as critical. Affected by this vulnerability is the function _labels of the component Control Character Handler. The manipulation with an unknown input leads to a crlf injection vulnerability. The CWE definition for the vulnerability is CWE-93. The product uses CRLF (carriage return line feeds) as a special element, e.g. to separate lines or records, but it does not neutralize or incorrectly neutralizes CRLF sequences from inputs. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

The advisory is shared at metacpan.org. This vulnerability is known as CVE-2026-50639 since 06/05/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

Upgrading to version 0.04 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-36106). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.9
VulDB Meta Temp Score: 6.8

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

ADP CISA Base Score: 6.5
ADP CISA Vector: 🔒

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Crlf injection
CWE: CWE-93 / CWE-74 / CWE-707
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Metrics::Any::Adapter::SignalFx 0.04

Timelineinfo

06/05/2026 CVE reserved
06/10/2026 +5 days Advisory disclosed
06/10/2026 +0 days VulDB entry created
06/11/2026 +1 days VulDB entry last update

Sourcesinfo

Advisory: metacpan.org
Status: Confirmed

CVE: CVE-2026-50639 (🔒)
GCVE (CVE): GCVE-0-2026-50639
GCVE (VulDB): GCVE-100-370249
EUVD: 🔒

Entryinfo

Created: 06/10/2026 22:55
Updated: 06/11/2026 02:03
Changes: 06/10/2026 22:55 (66), 06/11/2026 02:03 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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