CVE-2026-61463 | Shiori contains a privilege escalation vulnerability in the … | CVSS 8.8 HIGH

Description

Shiori contains a privilege escalation vulnerability in the account update endpoint that allows authenticated users to modify the owner field without authorization checks. Attackers can escalate to administrator by submitting a crafted PATCH request with owner: true, then re-authenticate to obtain an admin JWT token granting full system access.

Metadata

CVE ID: CVE-2026-61463
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-07-09 14:07 UTC
Published: 2026-07-13 17:22 UTC
Last updated: 2026-07-13 18:27 UTC
Primary CWE: CWE-269
Improper Privilege Management
Vendor / Product: go-shiori / shiori
Sources: cve.org · NVD

Severity & Metrics

8.8 HIGH CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: no
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
go-shiori	shiori	—	0 < 1.8.0

Weakness (CWE)

CWE	Source	Description
CWE-269	cna	Improper Privilege Management

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.8	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.7	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References (4)