CVEvulnerability
CVE-2026-118376
6.0 MEDIUM
Official page ↗
- Status
- Deferred
- Published
- 2026-10-28
- Last modified
- 2026-10-28
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 6.0 MEDIUM — 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 5.3 MEDIUM — CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N
- Weaknesses
- CWE-918
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.
Related
Weakness · CWE (1)
- CWE-918 Server-Side Request Forgery weakness
References
- https://github.com/Tencent/WeKnora github.com
- https://github.com/Tencent/WeKnora/blob/3d5d8bfcdfeeea266b292b71cea616847af28d0f/internal/utils/security.go#L267-L327 github.com
- https://github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1dda github.com
- https://github.com/Tencent/WeKnora/commit/ff818b681f10bc29edbc48fe35f00009dc276bfa github.com
- https://github.com/Tencent/WeKnora/issues/4092 github.com
- https://github.com/Tencent/WeKnora/releases/tag/v0.8.2 github.com
- https://www.vulncheck.com/advisories/weknora-before-0.8.2-ssrf-guard-bypass-via-nat64-ipv6-addresses www.vulncheck.com