CVE-2026-33954 json
LinkAce discloses private notesto unauthorized authenticated users via the web link detail page
published 2026-03-27 7 mo ago modified 2026-10-26 13 d ago also EUVD-2026-16870
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- linkace linkace 2.5.3
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 7 mo ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- github.com https://github.com/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8q referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Kovah LinkAce
Classification
- Weakness
-
- CWE-285 Improper Authorization
References
-
github.com
/Kovah/LinkAce/security/advisories/GHSA-88h3-cq25-vw8q
exploit, vendor-advisory
Sources
- CVE List CVE-2026-33954
- NVD CVE-2026-33954
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