{"id":"CVE-2026-118376","revision":"9f055ec8565044a59e3f12d33b97c161","records":[{"revision":"9f055ec8565044a59e3f12d33b97c161","observedAt":"2026-10-28T03:51:21.076+00:00","statement":{"source":"cve-program","id":"CVE-2026-118376","aliases":[],"title":"WeKnora before 0.8.2 SSRF Guard Bypass via NAT64 IPv6 Addresses","description":"WeKnora before 0.8.2 contains a server-side request forgery vulnerability in isRestrictedIP() that misclassifies NAT64-prefixed IPv6 addresses as public. Authenticated attackers can supply URLs resolving to NAT64 encodings of internal addresses via web_fetch or URL-based knowledge import to reach internal services or cloud metadata endpoints.","state":0,"publishedAt":"2026-10-28T02:03:23.589+00:00","modifiedAt":"2026-10-28T02:03:23.589+00:00","affected":[{"ecosystem":"Vendor product","name":"WeKnora","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"Tencent\",\n                    \"product\": \"WeKnora\",\n                    \"repo\": \"https://github.com/Tencent/WeKnora\",\n                    \"packageURL\": \"pkg:golang/github.com/Tencent/WeKnora\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"versions\": [\n                        {\n                            \"version\": \"0.2.11\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"semver\",\n                            \"lessThan\": \"0.8.2\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","score":6,"severity":"MEDIUM"},{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N","score":5.3,"severity":"MEDIUM"}],"references":["https://github.com/Tencent/WeKnora/issues/4092","https://github.com/Tencent/WeKnora/commit/ff818b681f10bc29edbc48fe35f00009dc276bfa","https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda","https://github.com/Tencent/WeKnora/blob/3d5d8bfcdfeeea266b292b71cea616847af28d0f/internal/utils/security.go#L267-L327","https://github.com/Tencent/WeKnora/releases/tag/v0.8.2","https://github.com/Tencent/WeKnora","https://www.vulncheck.com/advisories/weknora-before-0.8.2-ssrf-guard-bypass-via-nat64-ipv6-addresses"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-118376","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-118376","identifiers":["CVE-2026-118376"]},"retained":false,"historicalAffected":[]}],"coverage":[]}