CVE-2026-11373
CVE-2026-11373 is a critical-severity vulnerability 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
- Severity: Critical (CVSS 3.x base score 9.1)
- EPSS exploit prediction: 0% (27th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-38224
- Weakness: CWE-93
- Published:
- Last modified:
Description
Net::Statsite::Client versions through 1.1.0 for Perl allow metric injections. Net::Statsite::Client is a client for the statsite protocol, which is a variant of statsd. Newlines are not removed from metric names, allowing metric injections. Values are not sanitised for newlines or other protocol control characters such as colons or pipes, allowing metric injections.
Frequently asked questions
- What is CVE-2026-11373?
- Net::Statsite::Client versions through 1.1.0 for Perl allow metric injections. Net::Statsite::Client is a client for the statsite protocol, which is a variant of statsd. Newlines are not removed from metric names, allowing metric injections. Values are not sanitised for newlines or other protocol control characters such as colons or pipes, allowing metric injections.
- How severe is CVE-2026-11373?
- CVE-2026-11373 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-2026-11373 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
- How do I fix CVE-2026-11373?
- 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-2026-11373 have an EU (EUVD) identifier?
- Yes. CVE-2026-11373 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-38224.
- When was CVE-2026-11373 published?
- CVE-2026-11373 was published on 2026-06-22.
References
- http://armon.github.io/statsite
- https://metacpan.org/release/JASEI/Net-Statsite-Client-1.1.0/view/lib/Net/Statsite/Client.pm
- https://security.metacpan.org/patches/N/Net-Statsite-Client/1.1.0/CVE-2026-11373-r1.patch
- https://www.cve.org/CVERecord?id=CVE-2026-46719
- https://www.cve.org/CVERecord?id=CVE-2026-46720
- https://www.cve.org/CVERecord?id=CVE-2026-46739
Other CWE-93 (CRLF Injection) vulnerabilities
- CVE-2024-51501 — Critical (CVSS 10.0): Refit is an automatic type-safe REST library for .NET Core, Xamarin and .NET The various header-related Refit…
- CVE-2026-45372 — Critical (CVSS 9.9): cpp-httplib is a C++11 single-file header-only cross platform HTTP/HTTPS library. Prior to 0.44.0, when cpp-httplib's…
- CVE-2026-11362 — Critical (CVSS 9.8): DataDog::DogStatsd versions through 0.07 for Perl allow metric injections from event tags. DataDog::DogStatsd does not…
- CVE-2025-40671 — Critical (CVSS 9.3): SQL injection vulnerability in AES Multimedia's Gestnet v1.07. This vulnerability allows an attacker to retrieve,…
- CVE-2026-50638 — Critical (CVSS 9.1): Metrics::Any::Adapter::DogStatsd versions before 0.04 for Perl does not protect against metric injections. The statsd…
- CVE-2026-9270 — Critical (CVSS 9.1): DataDog::DogStatsd versions through 0.07 for Perl allow metric injections. DataDog::DogStatsd does not properly…