CVE-2026-91750: fallo de gravedad alta en Tencent WeKnora
WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
21Vexday Risk Score
Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.
ssvc Trackcvss 7.1epss 0.4%
WeKnora before 0.7.0 fails to re-validate HTTP redirect targets in the POST /api/v1/knowledge-bases/:id/knowledge/url endpoint when downloading documents from user-supplied URLs. Authenticated attackers can bypass initial SSRF validation by supplying a public URL that redirects to internal network addresses, allowing access to internal services and cloud metadata.
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
Productos afectados
Tencent · WeKnoraCVEs relacionadas — Tencent WeKnora
En el mismo producto, de las más peligrosas a las menos.
CVE-2026-30861CRITICALWeKnora: Remote Code Execution (RCE) via Command Injection in MCP Stdio Configuration ValidationEPSS 2.4%CVE-2026-22688CRITICALWeKnora has Command Injection in MCP stdio testEPSS 1.9%CVE-2026-30860CRITICALWeKnora: Remote Code Execution via SQL Injection Bypass in AI Database Query ToolEPSS 0.7%CVE-2025-11046MEDIUMTencent WeKnora test testEmbeddingModel server-side request forgeryEPSS 0.5%CVE-2026-30247MEDIUMWeKnora: SSRF via RedirectionEPSS 0.4%CVE-2026-30858MEDIUMWeKnora: DNS Rebinding Vulnerability in web_fetch Tool Allows SSRF to Internal ResourcesEPSS 0.4%
Referencias
https://github.com/Tencent/WeKnorahttps://github.com/Tencent/WeKnora/blob/v0.6.2/internal/application/service/knowledge_util.go#L339-L348https://github.com/Tencent/WeKnora/commit/1d322c525a6197d24f07555b4b18ad33313b4328https://github.com/Tencent/WeKnora/issues/2511https://www.vulncheck.com/advisories/weknora-before-0.7.0-ssrf-via-unvalidated-http-redirects