Medium severity5.3NVD Advisory· Published Oct 28, 2026· Updated Oct 28, 2026
CVE-2026-118376
CVE-2026-118376
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.
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Affected products
1Patches
Vulnerability mechanics
References
6- github.com/Tencent/WeKnora/blob/3d5d8bfcdfeeea266b292b71cea616847af28d0f/internal/utils/security.gonvd
- github.com/Tencent/WeKnora/commit/d7ccd5ba517cc3968e6d5000a2ab0f4b51ef1ddanvd
- github.com/Tencent/WeKnora/commit/ff818b681f10bc29edbc48fe35f00009dc276bfanvd
- github.com/Tencent/WeKnora/issues/4092nvd
- github.com/Tencent/WeKnora/releases/tag/v0.8.2nvd
- www.vulncheck.com/advisories/weknora-before-0.8.2-ssrf-guard-bypass-via-nat64-ipv6-addressesnvd
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