CVE-2026-31841
CVE-2026-31841 is a medium-severity vulnerability in Hyperterse with a CVSS 3.x base score of 6.5. 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-433.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (8th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2026-11617
- Weakness: CWE-433
- Affected product: Hyperterse
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is 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.
- How severe is CVE-2026-31841?
- CVE-2026-31841 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
- Is CVE-2026-31841 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2026-31841?
- CVE-2026-31841 affects Hyperterse. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2026-31841?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2026-31841 have an EU (EUVD) identifier?
- Yes. CVE-2026-31841 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-11617.
- When was CVE-2026-31841 published?
- CVE-2026-31841 was published on 2026-03-12 and last updated on 2026-06-17.
References
- https://github.com/hyperterse/hyperterse/releases/tag/v2.2.0
- https://github.com/hyperterse/hyperterse/security/advisories/GHSA-92gp-jfgx-9qpv
Affected products (1)
- cpe:2.3:a:hyperterse:hyperterse:*:*:*:*:*:*:*:*