{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-91750", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-09-14T23:08:34.530Z", "datePublished": "2026-09-15T00:35:42.122Z", "dateUpdated": "2026-09-15T00:35:42.122Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-09-15T00:35:42.122Z"}, "datePublic": "2026-09-13T00:00:00.000Z", "title": "WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects", "descriptions": [{"lang": "en", "value": "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."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Server-Side Request Forgery (SSRF)", "cweId": "CWE-918", "type": "CWE"}]}], "affected": [{"vendor": "Tencent", "product": "WeKnora", "defaultStatus": "unaffected", "packageURL": "pkg:golang/github.com/Tencent/WeKnora", "versions": [{"version": "0.5.2", "lessThan": "0.7.0", "status": "affected", "versionType": "semver"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:tencent:weknora:*:*:*:*:*:*:*:*", "versionStartIncluding": "0.5.2", "versionEndExcluding": "0.7.0"}]}]}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "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", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "LOW", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "subAvailabilityImpact": "NONE", "baseScore": 7.1, "baseSeverity": "HIGH"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/Tencent/WeKnora/issues/2511", "tags": ["issue-tracking"], "name": "GitHub Issue #2511"}, {"url": "https://github.com/Tencent/WeKnora", "tags": ["product"]}, {"url": "https://github.com/Tencent/WeKnora/commit/1d322c525a6197d24f07555b4b18ad33313b4328", "tags": ["patch"]}, {"url": "https://github.com/Tencent/WeKnora/blob/v0.6.2/internal/application/service/knowledge_util.go#L339-L348", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: WeKnora before 0.7.0 SSRF via Unvalidated HTTP Redirects", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/weknora-before-0.7.0-ssrf-via-unvalidated-http-redirects"}], "credits": [{"lang": "en", "value": "George Chen", "type": "reporter"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

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{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0.5.2,0.7.0)"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "WeKnora", "source": "cna", "vendor": "Tencent"}, "product": "weknora", "vendor": "tencent"}], "created": "2026-09-15T07:45:15.477855+00:00", "updated": "2026-09-15T09:15:18.345256+00:00", "vendors": ["tencent", "tencent$PRODUCT$weknora"]}