CVE-2025-62720 LinkAce: Data Exfiltration via Export Functions Allow Access to All Users' Private Links
Authenticated users can export all private links from other users due to missing ownership checks in export functions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-62720?
CVE-2025-62720 is a high-severity missing authorization vulnerability in Kovah LinkAce, published on 4 Nov 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
LinkAce is a self-hosted archive to collect website links. Versions 2.3.1 and below allow any authenticated user to export the entire database of links from all users in the system, including private links that should only be accessible to their owners. The HTML and CSV export functions in the ExportController class retrieve all links without applying any ownership or visibility filtering, effectively bypassing all access controls implemented elsewhere in the application. This issue is fixed in version 2.4.0.
Which versions are affected by CVE-2025-62720?
It affects 1 product.
Products include Linkace Linkace.
How do I fix CVE-2025-62720?
No fix has been published for CVE-2025-62720 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-62720 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-62720 exists.
Other vulnerabilities in Kovah LinkAce
- CVE-2026-27458 LinkAce: Stored XSS in Atom Feed via CDATA Escape in List Description
- CVE-2025-62722 LinkAce: Stored XSS Vulnerability in Link Title Field Through Social Media Sharing Feature
- CVE-2026-33953 LinkAce's SSRF protection can be bypassed via internal hostname resolution in LinkAce
- CVE-2025-53838 LinkAce has a Stored One Click XSS vulnerability
- CVE-2026-30953 LinkAce affected by SSRF via link creation: NoPrivateIpRule not applied to LinkStoreRequest
Sources
Also known as GHSA-cqxv-6v28-2f2h.