How severe is CVE-2026-22688?

CVE-2026-22688 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2026-22688 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22688?

CVE-2026-22688 affects Tencent Weknora. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22688?

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-2026-22688 have an EU (EUVD) identifier?

Yes. CVE-2026-22688 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1695.

When was CVE-2026-22688 published?

CVE-2026-22688 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2026-22688

CVE-2026-22688 is a critical-severity vulnerability in Tencent Weknora with a CVSS 3.x base score of 9.9. 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-77.

Key facts

Severity: Critical (CVSS 3.x base score 9.9)
EPSS exploit prediction: 2% (79th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1695
Weakness: CWE-77
Affected product: Tencent Weknora
Published: 2026-01-10
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2026-22688?: 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.
How severe is CVE-2026-22688?: CVE-2026-22688 has a CVSS 3.x base score of 9.9, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2026-22688 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22688?: CVE-2026-22688 affects Tencent Weknora. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22688?: 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-2026-22688 have an EU (EUVD) identifier?: Yes. CVE-2026-22688 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1695.
When was CVE-2026-22688 published?: CVE-2026-22688 was published on 2026-01-10 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*

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