9.8

CVE-2026-4277: djangoproject django Missing Authorization

CVSS: 9.8v3.1CriticalAnalyzed
AliasesGHSA-pwjp-ccjc-ghwgBIT-django-2026-4277PYSEC-2026-52
Published 07-04-2026Last modified 23-06-2026

Vulnerability summary

CVE-2026-4277 is a critical (CVSS 9.8) Missing Authorization vulnerability in djangoproject django. EPSS estimates a 0.60% chance of exploitation in the next 30 days, higher than 47.7% of scored vulnerabilities.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.60%
0%100%
Low · +0.14 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 7 · Related 8

Timeline

  1. 07-04-2026
    PublishedVulnerability first disclosed.
  2. 23-06-2026
    Last modifiedVulnerability information updated.

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.

CVSS metrics

6 scores · 6 sources · 1 version

EPSS trend

Probability

0.60%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.14 pp

From 0.46% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.60%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard6 products
  • authentik-2025.12< 2025.12.4-r3
  • authentik-2026.2< 2026.2.1-r3
  • authentik-fips-2025.12< 2025.12.4-r3
  • authentik-fips-2026.2< 2026.2.1-r3
  • awx< 24.6.1-r34
Debian1 product
  • python-djangoAll versions (No fix recorded) | < 3:4.2.30-1
Djangoproject1 product
  • django≥ 4.2, < 4.2.30 | ≥ 5.2, < 5.2.13 | ≥ 6.0, < 6.0.4
PyPI1 product
  • django≥ 5.2, < 5.2.13 | ≥ 4.2, < 4.2.30 | ≥ 6.0, < 6.0.4
Ubuntu1 product
  • python-djangoAll versions (No fix recorded) | < 1.8.7-1ubuntu5.15+esm12 | < 1:1.11.11-1ubuntu1.21+esm15 | < 2:2.2.12-1ubuntu0.29+esm8 | < 2:3.2.12-2ubuntu1.26 | < 3:4.2.11-1ubuntu1.15 | < 3:5.2.4-1ubuntu2.4

5 vendors · 10 products

References

17 links
Show all 17 references