CVE-2026-33953 is a Server-Side Request Forgery (SSRF) vulnerability (CWE-918) affecting LinkAce versions prior to 2.5.3, a self-hosted link archiving application. An authenticated user can exploit this by referencing internal hostnames, triggering server-side requests to internal services not directly accessible to external users. Rated High with a CVSS score of 8.5, this vulnerability has a Network attack vector and low attack complexity, requiring low privileges, and could lead to high confidentiality impact. While there is no evidence of active exploitation, public exploit code, or KEV listing, the vulnerability has received some community discussion. Organizations using LinkAce should upgrade to version 2.5.3 to mitigate this risk.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 2.5.3CPE matchmatch criteria | cpe:2.3:a:linkace:linkace:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
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The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.