CVE Explorer
CVE-2026-30856
WeKnora is an LLM-powered framework designed for deep document understanding and semantic retrieval. Prior to version 0.3.0, a vulnerability involving tool name collision and indirect prompt injection allows a malicious remote MCP server to hijack tool execution. By exploiting an ambiguous naming convention in the MCP client (mcp_{service}_{tool}), an attacker can register a malicious tool that overwrites a legitimate one (e.g., tavily_extract). This enables the attacker to redirect LLM executi
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"product":"WeKnora","vendor":"Tencent","versions":[{"status":"affected","version":"< 0.3.0"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:f9eb020803fb37eab9ae3ebd5b9ab4c01dda217540c8054faefcdec2cbd0512d · sha256:f4a7a1268c9d2604… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":5.9,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"LOW","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:L/A:L","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:f9eb020803fb37eab9ae3ebd5b9ab4c01dda217540c8054faefcdec2cbd0512d · sha256:f4a7a1268c9d2604… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-706","description":"CWE-706: Use of Incorrectly-Resolved Name or Reference","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:f9eb020803fb37eab9ae3ebd5b9ab4c01dda217540c8054faefcdec2cbd0512d · sha256:f4a7a1268c9d2604… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"https://github.com/Tencent/WeKnora/security/advisories/GHSA-67q9-58vj-32qx","tags":["x_refsource_CONFIRM"],"url":"https://github.com/Tencent/WeKnora/security/advisories/GHSA-67q9-58vj-32qx"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:f9eb020803fb37eab9ae3ebd5b9ab4c01dda217540c8054faefcdec2cbd0512d · sha256:f4a7a1268c9d2604… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.