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Vulnerability record · CVE-2026-22687 · published 10 January 2026

CVE-2026-22687: Tencent weknora sql injection vulnerability

Tencent · Weknora

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.

9.8 CVSS 3.1 Critical EPSS 0.39% · top 69.6% CWE-89 · SQL injection
9.8CVSS 3.1 base score
0.39%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
3References, 2 tagged exploit
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/Tencent/WeKnora/commit/da55707022c252dd2c20f8e18145b2d899ee06a1 Patch
https://github.com/Tencent/WeKnora/security/advisories/GHSA-pcwc-3fw3-8cqv ExploitVendor Advisory
https://github.com/Tencent/WeKnora/security/advisories/GHSA-pcwc-3fw3-8cqv ExploitVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2026-22687), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.