CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:N/A:N
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3Tags
Description
LinkAce is a self-hosted archive to collect website links. Prior to 2.5.4, LinkRepository::update and CheckLinksCommand::checkLink do not check for private IPs. An authenticated user can read responses from internal services (AWS IMDSv1, cloud metadata, internal APIs) by creating a link with a public URL and then updating it to a private IP. The links:check cron job makes the request server-side without IP filtering. This can expose cloud credentials, internal service data, and network topology. This vulnerability is fixed in 2.5.4.
Analysis
Server-side request forgery (SSRF) in LinkAce prior to version 2.5.4 allows authenticated users to read responses from internal services by updating links to private IP addresses, exposing cloud credentials and internal service metadata. The links:check cron job executes requests without IP filtering, enabling attackers to probe AWS IMDSv1, cloud metadata endpoints, and internal APIs. …
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EUVD-2026-19682