What’s Vulnerable › Vulnerabilities

CVE-2026-85605: Slink before 1.12.3 Missing Authorization on Image Comment Endpoints

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-04 · updated 2026-09-23
• Weakness: CWE-862

Description

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.

Affected products

• andrii-kryvoviaz slink: before 1.12.3 — fixed in 1.12.3

How to fix

Upgrade to a fixed version: andrii-kryvoviaz slink 1.12.3. Check the vendor advisory for mitigations.

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

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