What is CVE-2026-31841?

CVE-2026-31841 is a medium-severity vulnerability in Hyperterse, classified under CWE-433. CVSS score: 6.5/10. Published 2026-03-12.

How severe is CVE-2026-31841?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Hyperterse

CVE-2026-31841

Hyperterse is a tool-first MCP framework for building AI-ready backend surfaces from declarative config. Prior to v2.2.0, the search tool allows LLMs to search for tools using natural language. While returning results, Hyperterse also returned the raw SQL queries, exposing statements which were supposed to be executed under the hood, and protected from being displayed publicly. This issue has been fixed as of v2.2.0.

EPSS: 0.002 (7.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N.

Affected products

Hyperterse — versions >= 2.0.0, < 2.2.0

Weakness classification (CWE)

CWE-433

References

security-advisories@github.com (x_refsource_CONFIRM, Patch, Vendor Advisory)
security-advisories@github.com (Product, x_refsource_MISC, Release Notes)

Frequently asked questions

What is CVE-2026-31841?: CVE-2026-31841 is a medium-severity vulnerability in Hyperterse, classified under CWE-433. CVSS score: 6.5/10. Published 2026-03-12.
How severe is CVE-2026-31841?: Medium severity. CVSS v3 base score is 6.5 out of 10.