CVE-2026-40349

HIGHNVD 8.88.8—
EchelonGraph scoreMEDIUM confidence

This high-severity CVE scores 8.8 under NVD CVSS v3. EPSS exploit probability: 0.0%, top 96% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
Elevated
8.8
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 8.8Exploit: NoneExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

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.

CVSS v3
8.8
EG Score
8.8(medium)
EPSS
41.5%
KEV
Not listed

Published

April 18, 2026

Last Modified

April 27, 2026

Advisory Details (4)

Auto-updated May 2, 2026
🔬 Proof of concept available. Patch available. Sources: github.
github Patch Available🟡 PoC Available

Authenticated User Can Self-Escalate to Administrator via PUT /settings/users/{userId} by Setting isAdmin=true · Advisory · leepeuker/movary · GitHub

https://github.com/leepeuker/movary/security/advisories/GHSA-mcfq-8rx7-w25v
generic

Release 0.71.1 · leepeuker/movary · GitHub

https://github.com/leepeuker/movary/releases/tag/0.71.1
generic

Fixed privilege escalation in user management by leepeuker · Pull Request #750 · leepeuker/movary · GitHub

https://github.com/leepeuker/movary/pull/750
generic

Merge pull request #750 from leepeuker/privilege-escalation-ghsa-mcfq… · leepeuker/movary@12c8a09 · GitHub

https://github.com/leepeuker/movary/commit/12c8a090051b1a1c07a3aa48922f3bc9ffe44c8b

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 10× in last 7d / 34× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-22 14:08 UTCEPSS rescore
  2. 2026-07-21 15:24 UTCEPSS rescore
  3. 2026-07-20 17:08 UTCEPSS rescore
  4. 2026-07-20 07:34 UTCOSV refresh
  5. 2026-07-19 14:31 UTCEPSS rescore
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  15. 2026-07-12 05:46 UTCEPSS rescore
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  21. 2026-07-06 02:23 UTCEPSS rescore
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  1. 2026-06-30 23:22 UTCEPSS rescore
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  3. 2026-06-28 14:07 UTCEPSS rescore
  4. 2026-06-28 04:56 UTCEPSS rescore
  5. 2026-06-27 03:08 UTCEPSS rescore
  6. 2026-06-25 13:49 UTCEPSS rescore
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  8. 2026-06-24 14:05 UTCEPSS rescore
  9. 2026-06-23 21:33 UTCEPSS rescore
  10. 2026-06-22 14:25 UTCEPSS rescore
  11. 2026-06-22 14:25 UTCEPSS rescore
  12. 2026-06-21 14:56 UTCEPSS rescore
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  14. 2026-06-21 01:59 UTCEPSS rescore
  15. 2026-06-19 19:25 UTCEPSS rescore
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  18. 2026-06-17 17:53 UTCEPSS rescore
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  20. 2026-06-15 17:49 UTCEPSS rescore
  21. 2026-06-13 23:00 UTCEPSS rescore
  22. 2026-06-12 23:12 UTCEPSS rescore
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  24. 2026-06-11 14:00 UTCEPSS rescore
  25. 2026-06-10 22:18 UTCEPSS rescore
  26. 2026-06-10 13:22 UTCEPSS rescore
  27. 2026-06-10 13:22 UTCEPSS rescore
  28. 2026-06-08 14:17 UTCEPSS rescore
  29. 2026-06-08 14:17 UTCEPSS rescore
  30. 2026-06-07 15:25 UTCEPSS rescore
  31. 2026-06-07 15:25 UTCEPSS rescore
  32. 2026-06-06 13:47 UTCEPSS rescore
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  39. 2026-06-02 20:13 UTCEPSS rescore
  40. 2026-06-01 13:52 UTCEPSS rescore
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  43. 2026-05-31 22:30 UTCEPSS rescore
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  45. 2026-05-31 00:16 UTCEPSS rescore
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  48. 2026-05-29 13:44 UTCEPSS rescore
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  50. 2026-05-28 13:44 UTCEPSS rescore
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  56. 2026-05-26 13:44 UTCEPSS rescore
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  59. 2026-05-20 22:38 UTCEPSS rescore
  60. 2026-05-20 22:38 UTCEPSS rescore
  61. 2026-05-20 16:49 UTCEG score recompute
  62. 2026-05-20 11:22 UTCEPSS rescore
  63. 2026-05-20 11:22 UTCEPSS rescore

Frequently asked(5)

What is CVE-2026-40349?
CVE-2026-40349 is a high vulnerability published on April 18, 2026. 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…
When was CVE-2026-40349 disclosed?
CVE-2026-40349 was first published in the National Vulnerability Database on April 18, 2026, with the most recent update on April 27, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-40349 actively exploited?
CVE-2026-40349 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 41.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-40349?
CVE-2026-40349 has a CVSS v3 base score of 8.8 (NVD).
How do I remediate CVE-2026-40349?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-40349, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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