Vulnerability · Published Apr 7, 2026 · Assigned by DSF
CVE-2026-4277Privilege abuse in GenericInlineModelAdmin
Critical 9.8
In plain English
A critical-severity missing authorization in Django from djangoproject. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official description
An issue was discovered in 6.0 before 6.0.4, 5.2 before 5.2.13, and 4.2 before 4.2.30. Add permissions on inline model instances were not validated on submission of forged `POST` data in `GenericInlineModelAdmin`. Earlier, unsupported Django series (such as 5.0.x, 4.1.x, and 3.2.x) were not evaluated and may also be affected. Django would like to thank N05ec@LZU-DSLab for reporting this issue.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.23 | py3-django | 4.2.30-r0 | ALPINE-CVE-2026-4277 |
| Alpine:v3.24 | py3-django | 5.2.13-r0 | ALPINE-CVE-2026-4277 |
| Debian:12 | python-django | no fix listed | DEBIAN-CVE-2026-4277 |
| Debian:13 | python-django | no fix listed | DEBIAN-CVE-2026-4277 |
| Debian:14 | python-django | 3:4.2.30-1 | DEBIAN-CVE-2026-4277 |
| PyPI | django | 6.0.4 | GHSA-pwjp-ccjc-ghwg |
| PyPI | django | 5.2.13 | GHSA-pwjp-ccjc-ghwg |
| PyPI | django | 4.2.30 | GHSA-pwjp-ccjc-ghwg |
| PyPI | django | 4.2.30, 5.2.13, 6.0.4 | PYSEC-2026-52 |
| Ubuntu:22.04:LTS | python-django | 2:3.2.12-2ubuntu1.26 | USN-8154-1 |
| Ubuntu:22.04:LTS | python-django | 2:3.2.12-2ubuntu1.26 | UBUNTU-CVE-2026-4277 |
| Ubuntu:24.04:LTS | python-django | 3:4.2.11-1ubuntu1.15 | USN-8154-1 |
| Ubuntu:24.04:LTS | python-django | 3:4.2.11-1ubuntu1.15 | UBUNTU-CVE-2026-4277 |
| Ubuntu:25.10 | python-django | 3:5.2.4-1ubuntu2.4 | UBUNTU-CVE-2026-4277 |
| Ubuntu:25.10 | python-django | 3:5.2.4-1ubuntu2.4 | USN-8154-1 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| djangoproject | Django | 6.0 – before 6.0.45.2 – before 5.2.134.2 – before 4.2.30 |
Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References
- Django security archive vendor-advisory
- Django releases announcements mailing-list
- Django security releases issued: 6.0.4, 5.2.13, and 4.2.30 vendor-advisory