CVE-2026-35193Disclosure(djangoproject / django)

LOWCVSS 2.3 · LOW

Signal is active with 1 mentions in latest observed window

Immediate actions

Track advisory updates for patch or workaround availability

Recommended action window: Monitor and triage in normal cycle

NVD description

An issue was discovered in Django 5.2 before 5.2.15 and 6.0 before 6.0.6. `django.middleware.cache.UpdateCacheMiddleware` in Django does not add `Authorization` to the `Vary` response header for requests bearing that header without `Cache-Control: public`, which allows remote attackers to read private cached responses via unauthenticated requests to the same URL. 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 Shai Berger for reporting this issue.

djangoproject CVEs Back to dashboard

0.0/ 10 priority

Sources & remediation

Patch / fix

Other references

https://groups.google.com/g/django-announce

Weakness type (CWE)

CWE-524

Priority

LOW

Exploitation

NONE

PoC

NONE

Patch

AVAILABLE

Momentum

STABLE

Are you affected?

If you run products in this scope, you should treat this CVE as relevant to your environment.

django

Threat summary

2 mentions across 2 observed days
Momentum state: stable

What's happening

Technical details provided in 2 signals
Disclosure: 1 classified signal
General: 1 classified signal
Peaked 1d ago at 1 mentions (2026-06-03); latest day: 1
2 total mentions across 2 days

Affected systems

Vendors

djangoproject

Products

django

Deep dive

Activity timeline2 mentions / 2d

Signal classification2 categories

Disclosure

150.0%

General

150.0%

Referenced assets2 URLs

By indicator

Classification over time

Date	Total	Labels

2026-06-03	1	Disclosure1
2026-06-06	1	General1

Full discourse2 posts

Open Source Security mailing list@oss_security135d
General
Django CVE-2026-8404: Potential exposure of private data via case-sensitive Cache-Control directives in UpdateCacheMiddleware CVE-2026-35193: ditto via missing Vary: Authorization in UpdateCacheMiddleware CVE-2026-48587: ditto via whitespace padding in Vary header
Post summary
The excerpt lists three Django CVEs related to cache header issues, describing potential private data exposure without providing PoC, exploit, or patch information.
00030306
4.7K followersView on X
Vulmon Vulnerability Feed@VulmonFeeds137d
Disclosure
CVE-2026-35193 Cache Poisoning in Django UpdateCacheMiddleware Authorization Hea... https://vulmon.com/vulnerabilitydetails?qid=CVE-2026-35193 Vulnerability Alert Subscriptions: https://alerts.vulmon.com/?utm_source=twitter&utm_medium=social&utm_campaign=2102281&utm_content=1
Post summary
The post announces the cache‑poisoning vulnerability CVE‑2026‑35193 affecting Django’s UpdateCacheMiddleware Authorization Header, providing a link to additional details but no exploit, patch, or active exploitation information.
0000039
4.0K followersView on X

CPE platform detail1 entries

Part:

Vendor:

Product:

Version:

Target SW:

Target HW:

1 of 1 entries

Part	Vendor	Product	Version	Target SW	Target HW
App	djangoproject	django	-	-	-

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