What is CVE-2026-109562?

CVE-2026-109562 is a medium-severity vulnerability in Snapotter-Hq Snapotter, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-12.

How severe is CVE-2026-109562?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Auth bypass in Snapotter-Hq Snapotter

CVE-2026-109562

SnapOtter 1.15.10 through 2.2.0 contains a missing authorization vulnerability that allows any authenticated principal to call the /api/v1/upload, /api/v1/preview and /api/v1/preview/generate handlers without permission checks. Attackers holding even a settings:read-scoped API key can stage arbitrary files outside storage quota, served unauthenticated via /api/v1/download, and feed crafted input to image and video decoders.

Vulnerability class: Broken Access Control

Published 2026-10-12.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Snapotter-Hq Snapotter

Weakness classification (CWE)

CWE-862 — Missing Authorization

References

github.com/snapotter-hq/SnapOtter/commit/1544966b52b8f2b40ef3794e43ffd4f0214550… (patch)
github.com/snapotter-hq/SnapOtter/blob/v2.2.0/apps/api/src/routes/files.ts (technical-description)
github.com/snapotter-hq/SnapOtter (product)
www.vulncheck.com/advisories/snapotter-1.15.10-through-2.2.0-missing-authorizat… (third-party-advisory)

Frequently asked questions

What is CVE-2026-109562?: CVE-2026-109562 is a medium-severity vulnerability in Snapotter-Hq Snapotter, classified under Missing Authorization. CVSS score: 5.4/10. Published 2026-10-12.
How severe is CVE-2026-109562?: Medium severity. CVSS v3 base score is 5.4 out of 10.