How severe is CVE-2026-22687?

CVE-2026-22687 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-22687 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-22687?

CVE-2026-22687 affects Tencent Weknora. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-22687?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-22687 have an EU (EUVD) identifier?

Yes. CVE-2026-22687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1696.

When was CVE-2026-22687 published?

CVE-2026-22687 was published on 2026-01-10 and last updated on 2026-06-17.

CVE-2026-22687

CVE-2026-22687 is a medium-severity vulnerability in Tencent Weknora with a CVSS 3.x base score of 5.6. 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 5.6)
EPSS exploit prediction: 0% (27th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-1696
Weakness: CWE-89
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, after WeKnora enables the Agent service, it allows users to call the database query tool. Due to insufficient backend validation, an attacker can use prompt‑based bypass techniques to evade query restrictions and obtain sensitive information from the target server and database. This issue has been patched in version 0.2.5.

Frequently asked questions

What is CVE-2026-22687?: WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.2.5, after WeKnora enables the Agent service, it allows users to call the database query tool. Due to insufficient backend validation, an attacker can use prompt‑based bypass techniques to evade query restrictions and obtain sensitive information from the target server and database. This issue has been patched in version 0.2.5.
How severe is CVE-2026-22687?: CVE-2026-22687 has a CVSS 3.x base score of 5.6, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-22687 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (27th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-22687?: CVE-2026-22687 affects Tencent Weknora. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-22687?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-22687 have an EU (EUVD) identifier?: Yes. CVE-2026-22687 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-1696.
When was CVE-2026-22687 published?: CVE-2026-22687 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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