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CVE-2026-65696

MEDIUM Exploitation: PoC
5.4
CVSS 3.1
Description
Overseerr through 1.35.0 contains an authorization bypass through user-controlled key vulnerability in the push subscription API that allows authenticated users to list, read, and delete any other user's push subscriptions by supplying an arbitrary userId in the path parameters. Attackers can exploit the missing ownership check in the affected handlers to access target user records without the filteredFields filter, leaking sensitive data including email addresses and plexId values.

Metadata

CVE ID
CVE-2026-65696
State
PUBLISHED
Assigner
VulnCheck
Reserved
2026-07-22 20:26 UTC
Published
2026-07-23 16:24 UTC
Last updated
2026-07-23 17:44 UTC
Primary CWE
CWE-639
Authorization Bypass Through User-Controlled Key
Vendor / Product
sct / overseerr
Sources
cve.org  ·  NVD

Severity & Metrics

5.4 MEDIUM CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
SSVC — CISA Coordinator
Exploitation
PoC
Automatable
no
Tech. Impact
partial
Affected products (1)
VendorProductPlatformVersions
sct overseerr — 0 ≤ 1.35.0
Weakness (CWE)
CWESourceDescription
CWE-639 cna Authorization Bypass Through User-Controlled Key
CVSS scores (2)
ScoreSeverityVersionSourceVector
5.4 MEDIUM 3.1 cna CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
5.3 MEDIUM 4.0 cna CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N
References (2)
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