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CVE-2026-22688

Tencent Weknora command injection

9.9 CRITICALPublic exploitEPSS 1.94%
  1. Published10 Jan 2026

Description

WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, there is a command injection vulnerability that allows authenticated users to inject stdio_config.command/args into MCP stdio settings, causing the server to execute subprocesses using these injected values. This issue has been patched in version 0.2.5.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Tencent Weknora< 0.2.5

Remediation

Fixed in
Tencent Weknora≥ 0.2.5

References

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Frequently asked

Is CVE-2026-22688 being actively exploited?

CVE-2026-22688 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 1.94%.

How severe is CVE-2026-22688?

CVE-2026-22688 has a CVSS 3.1 base score of 9.9, rated critical. EPSS estimates a 1.94% probability of exploitation.

Which products are affected by CVE-2026-22688?

Affected products include Tencent Weknora.

How do I fix CVE-2026-22688?

Upgrade affected software to a fixed version, for example Tencent Weknora 0.2.5 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-22688 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.