HOMEVULNERABILITIESCVE-2026-40349
HIGH

CVE-2026-40349

CWE-862Published: April 18, 2026· Updated: Apr 20, 2026

8.8
CVSS v3.1
EPSS:0.01%probability of exploitation in 30 daysPercentile:2.2th

Official Description

Movary is a self hosted web app to track and rate a user's watched movies. Prior to version 0.71.1, an ordinary authenticated user can escalate their own account to administrator by sending `isAdmin=true` to `PUT /settings/users/{userId}` for their own user ID. The endpoint is intended to let a user edit their own profile, but it updates the sensitive `isAdmin` field without any admin-only authorization check. Version 0.71.1 patches the issue.

NVD Source

Technical Analysis

CVE-2026-40349 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
External links open in a new tab. Always verify in a controlled environment before use.

All References (4)

Quick Facts

CVE IDCVE-2026-40349
CVSS Score8.8 / 10
SeverityHIGH
WeaknessCWE-862
CISA KEVNo
EPSS (30d)0.01%
PublishedApr 18, 2026

Related CVEs (CWE-862)

Recommended Actions

  • Apply vendor patches immediately
  • Monitor CVE-2026-40349 in threat intel feeds
  • Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.