5.3

CVE-2026-6907: djangoproject django

CVSS: 5.3v3.1MediumAnalyzed
AliasesGHSA-5hrc-gvxj-w55pBIT-django-2026-6907PYSEC-2026-55
Published 05-05-2026Last modified 06-05-2026
Open JSON

Vulnerability summary

CVE-2026-6907 is a medium (CVSS 5.3) vulnerability in djangoproject django. EPSS estimates a 0.44% chance of exploitation in the next 30 days, higher than 36.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.44%
0%100%
Low · +0.08 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 5 · Related 7
OPENSUSE-SU-2026:10708-1OPENSUSE-SU-2026:10709-1OPENSUSE-SU-2026:10718-1OPENSUSE-SU-2026:11270-1USN-8848-1CGA-QQQG-GR94-JR5C

Timeline

  1. 05-05-2026
    PublishedVulnerability first disclosed.
  2. 06-05-2026
    Last modifiedVulnerability information updated.

Description

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. `django.middleware.cache.UpdateCacheMiddleware` erroneously caches requests where the `Vary` header contained an asterisk (`'*'`). This can lead to private data being stored and served. 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 Ahmad Sadeddin for reporting this issue.

CVSS metrics

10 scores · 7 sources · 2 versions

EPSS trend

Probability

0.44%

Chance of exploitation in the next 30 days

Percentile

37%

Versus all other CVEs

30-day change

+0.08 pp

From 0.36% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.44%

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

Chainguard7 products
  • authentik-2025.12< 2025.12.4-r9
  • authentik-2026.2< 2026.2.1-r9
  • authentik-fips-2025.12< 2025.12.4-r7
  • authentik-fips-2026.2< 2026.2.1-r7
  • py3-django< 6.0.5-r0
Wolfi3 products
  • py3-django< 6.0.5-r0
  • py3.12-django< 6.0.5-r0
  • py3.13-django< 6.0.5-r0
Debian1 product
  • python-djangoAll versions (No fix recorded) | < 3:5.2.14-1
Djangoproject1 product
  • django≥ 5.2, < 5.2.14 | ≥ 6.0, < 6.0.5
PyPI1 product
  • django≥ 5.2, < 5.2.14 | ≥ 6.0, < 6.0.5
Ubuntu1 product
  • python-django< 1.6.11-0ubuntu1.3+esm12 | < 1.8.7-1ubuntu5.15+esm13 | < 1:1.11.11-1ubuntu1.21+esm17 | < 2:2.2.12-1ubuntu0.29+esm10 | < 2:3.2.12-2ubuntu1.27 | < 3:4.2.11-1ubuntu1.16 | < 3:5.2.4-1ubuntu2.5 | < 3:5.2.9-0ubuntu4.1

6 vendors · 14 products

References

17 links
Show all 17 references