CVE-2026-31841: Hyperterse is a tool-first MCP framework for building AI-ready backend surfaces from declarative config

Q: How do I fix CVE-2026-31841?

hyperterse: upgrade to 2.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2026-31841 being exploited?

CVE-2026-31841 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2026-31841 affect?

CVE-2026-31841 affects hyperterse. Severity is medium (CVSS 6.5). 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 retur

Q: How urgent is CVE-2026-31841?

Priority 30/100. Remotely exploitable, no login, no user action

Routine

MEDIUM 6.5REMOTEUPGRADE

CVE-2026-31841 is a medium-severity flaw (CVSS 6.5) affecting hyperterse. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 92%)
CISA exploited list	No
Weakness	CWE-433
Published	2026-03-12
Last modified	2026-06-17

Publisher (CNA): GitHub, Inc. · Vendor: hyperterse

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-03-12 17:16 UTCPublished CVE record published
2026-06-17 10:34 UTCUpdated Record last modified

hyperterse hyperterse UPGRADE

Affected: < 2.2.0

Fixed in: 2.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy hyperterse || rpm -q hyperterse || hyperterse --version

2. UPGRADE to 2.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade hyperterse

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade hyperterse

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-31841?

hyperterse: upgrade to 2.2.0. Exact commands for each OS are on this page.

Is CVE-2026-31841 being exploited?

CVE-2026-31841 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-31841 affect?

CVE-2026-31841 affects hyperterse. Severity is medium (CVSS 6.5). 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 retur

How urgent is CVE-2026-31841?

Priority 30/100. Remotely exploitable, no login, no user action

References

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