How severe is CVE-2026-44717?

CVE-2026-44717 has a CVSS 3.x base score of 9.8, 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 high.

Is CVE-2026-44717 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-44717?

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-2026-44717 have an EU (EUVD) identifier?

Yes. CVE-2026-44717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30574.

When was CVE-2026-44717 published?

CVE-2026-44717 was published on 2026-05-15 and last updated on 2026-06-17.

CVE-2026-44717

CVE-2026-44717 is a critical-severity vulnerability with a CVSS 3.x base score of 9.8. 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-94.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-30574
Weakness: CWE-94
Published: 2026-05-15
Last modified: 2026-06-17

Description

MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval() to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1.

Frequently asked questions

What is CVE-2026-44717?: MCP Calculate Server is a mathematical calculation service based on MCP protocol and SymPy library. Prior to 0.1.1, the use of eval() to evaluate mathematical expressions without proper input sanitization leads to remote code execution. This vulnerability is fixed in 0.1.1.
How severe is CVE-2026-44717?: CVE-2026-44717 has a CVSS 3.x base score of 9.8, 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 high.
Is CVE-2026-44717 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-44717?: 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-2026-44717 have an EU (EUVD) identifier?: Yes. CVE-2026-44717 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-30574.
When was CVE-2026-44717 published?: CVE-2026-44717 was published on 2026-05-15 and last updated on 2026-06-17.

References

https://github.com/611711Dark/mcp_calculate_server/security/advisories/GHSA-2mgq-7rfg-rwpj

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