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High 7.0Published Sep 28, 2026

CVE-2026-100392InvoicePlane: Primary Administrator Privilege Downgrade via `Users::form()` (Missing Object-Level Authorization)

Updated under an hour ago ()

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It affects InvoicePlane. Add what you run to find out whether that includes you.

EPSS puts the chance of exploitation in the next 30 days at 0.23%, higher than 13% of scored CVEs.

InvoicePlane is a self-hosted open source application for managing invoices, clients, and payments. In version 1.7.2, Users::form() performs no object-level authorization check on user_id = 1. A Secondary Administrator (user_type = 1, user_id != 1) can rewrite the Primary Administrator's user_type to 2 (Guest / read-only), destroying the root account's privilege and locking the legitimate owner out of the instance. At time of publication, there are no publicly available patches.

CVSS
7.0 HIGH (v4.0, CNA)CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N
Weakness (CWE)
CWE-863
Known exploited
Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days)
0.23% (percentile 13)
Assigned by
GitHub_M
NVD analysis
Deferred
Record last updated
Sep 29, 2026
First seen by InfoSec Signals
Oct 9, 2026

Affected products

Affected products
InvoicePlane InvoicePlane
invoiceplane:invoiceplane (from the name)
= 1.7.2
CNA record

References

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The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.

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