5.3Medium
CVE-2026-85605
Slink before 1.12.3 fails to properly authorize access to image comment endpoints, allowing unauthenticated attackers to read comment threads via GET /api/image/{imageId}/comments and server-sent-events subscriptions. Attackers who obtain image IDs out of band can retrieve full comment threads on public images and subscribe to live comment updates without authentication or authorization checks.
What this means for your business
- An attacker can use it remotely, over a network, without a login, and without anyone at your company clicking anything.
- FIRST's prediction model gives it a 0.4% chance of attack attempts being seen in the next 30 days, ranking above 32% of all known flaws.
What to do
- 1Ask your IT team or provider whether any of your systems use the affected product.
- 2If you do, follow the vendor's guidance. No patch reference has been published yet.
Not sure if your company is exposed?
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Scoring
- CVSS
- 5.3 (v3.1)
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- CVSS v4
- 6.9
- Weakness
- CWE-862
- Assigned by
- disclosure@vulncheck.com
Dates
- Published
- 2026-09-04
- Last modified
- 2026-09-23
- Sources
- NVD
References
- https://github.com/andrii-kryvoviaz/slink
- https://github.com/andrii-kryvoviaz/slink/commit/221315b1ac51
- https://github.com/andrii-kryvoviaz/slink/commit/fe04a7dffe8a7ed2f834f7364281a9414e394600
- https://github.com/andrii-kryvoviaz/slink/releases/tag/v1.12.3
- https://github.com/andrii-kryvoviaz/slink/security/advisories/GHSA-hxx4-4hwq-8258
- https://www.vulncheck.com/advisories/slink-before-1.12.3-missing-authorization-on-image-comment-endpoints