漏洞信息
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Vulnerability Title
Wekan: SSRF filter bypass via DNS-resolving hostname in outgoing webhooks (incomplete fix of CVE-2026-53446)
Vulnerability Description
Wekan is open source kanban built with Meteor. From 8.36 until 9.74, the outgoing webhook Integration URL validator in models/integrations.js checked only the literal URL.hostname against regular expressions, so DNS names such as 169-254-169-254.nip.io passed that first-line check. The delivery path's fetchSafe guard already blocked the reported IPv4 destination, but its separate IPv4-only resolver and duplicated blocklist created inconsistent all-address-family enforcement and drift risk between input-time and connection-time validation. Version 9.74 makes server/lib/ssrfGuard.js resolve all addresses with `dns.lookup({ all: true })`, validate every result through the shared isIpBlocked logic, pin the connection, and block redirects. This issue is fixed in version 9.74.
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Vulnerability Type
服务端请求伪造(SSRF)
Vulnerability Title
WeKan 服务端请求伪造漏洞
Vulnerability Description
WeKan是WeKan团队的一款项目管理软件。 WeKan 8.36版本至9.74之前版本存在服务端请求伪造漏洞,该漏洞源于对外发webhook集成URL验证不充分,可能导致服务端请求伪造攻击。
CVSS Information
N/A
Vulnerability Type
N/A