Weknora
CVE-2026-22687
MEDIUM
GHSA-pcwc-3fw3-8cqv
Vulnerability Assessment
| Weakness |
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK
2 techniques across 2 tactics: Initial Access, Persistence The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up. |
| Impact | CVSS 5.6 (MEDIUM). Attack vector: Network. Complexity: High. Privileges required: None. User interaction: None. Public exploit/POC available. |
| Exploit ScenarioDerived | An attacker could exploit this vulnerability to call the database query tool. |
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Alert meAnalysisAIv1 – Mar 12, 2026
WeKnora versions before 0.2.5 allow unauthenticated attackers to bypass database query restrictions through prompt injection techniques when the Agent service is enabled, enabling unauthorized access to sensitive data. Public exploit code exists for this vulnerability, which affects the framework's document understanding and semantic retrieval capabilities. A patch is available in version 0.2.5 and later.
Earlier versions of this analysis (1)
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. [CVSS 5.6 MEDIUM]
RemediationAI
A vendor patch is available — apply it immediately. Fixed in version 0.2.5.. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.
Affected Packages
Source: OSV (Open Source Vulnerabilities)
Affects your stack
Affects 1 package in go
Checking this CVE against your own stacks and servers is part of the Basic plan and up.
Technical ContextAI · show details
Classified as CWE-89 (SQL Injection). Affects 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.
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- Exploit and PoC references, threat intelligence from 22 sources
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Severity by source
AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from GitHub Advisory.
CVSS VectorGitHub Advisory
Lifecycle Timeline
3DescriptionGitHub Advisory
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.
Executive ViewAI
Organizations using WeKnora should be aware of moderate risk from CVE-2026-22687, a SQL injection vulnerability rated CVSS 5.6. Exploitation could allow attackers to execute code or inject malicious input. Proof-of-concept code is publicly available. A patch is available and should be applied during regular vulnerability management.
Apply vendor patch. If patching is delayed: deploy WAF rules, restrict network access, enable logging.
Threat Intelligence Overview
NVD
CVE.org
EPSS
How this decision was reached
The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.
What every action level means
SSVC AssessmentENISA
Priority Score
Attack Technique
SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.
Affected Products (CPE)GitHub Advisory
WeKnora LLM framework (before 0.2.5) allows authenticated users to inject MCP stdio commands that the server executes as
OS command injection in WeKnora from version 0.2.5 allows authenticated users to execute arbitrary system commands. CVSS
SQL injection in WeKnora LLM document understanding framework allows authenticated users to extract arbitrary database c
Insufficient authorization checks in WeKnora's tenant management endpoints allow any authenticated user to read, modify,
DNS rebinding in WeKnora's web_fetch tool allows authenticated attackers to bypass URL validation and access internal re
WeKnora's document import feature is vulnerable to Server-Side Request Forgery through HTTP redirects, allowing unauthen
A security flaw has been discovered in Tencent WeKnora 0.1.0. Rated medium severity (CVSS 6.9), this vulnerability is re
Weknora versions up to 0.3.0 is affected by authorization bypass through user-controlled key (CVSS 5.3).
WeKnora's URL-based document ingestion endpoint (POST /api/v1/knowledge-bases/:id/knowledge/url) allows authenticated us
SQL injection in Tencent WeKnora through version 0.8.1 allows an authenticated, low-privileged remote attacker to bypass
Authorization bypass in Tencent WeKnora's Config API endpoint allows authenticated attackers to access unauthorized know
Server-side request forgery guard bypass in WeKnora: the isRestrictedIP()/ipclass address classifier treats NAT64-encode
Exploit-DB