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Vulnerability Details :

CVE-2026-35192

Summary
Assigner-DSF
Assigner Org ID-6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Published At-05 May, 2026 | 14:50
Updated At-06 May, 2026 | 15:25
Rejected At-
Credits

Session fixation via public cached pages and SESSION_SAVE_EVERY_REQUEST

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but `SESSION_SAVE_EVERY_REQUEST` is `True`. A remote attacker can steal a user's session after that user visits a cached public page. 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 Cantina for reporting this issue.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:DSF
Assigner Org ID:6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Published At:05 May, 2026 | 14:50
Updated At:06 May, 2026 | 15:25
Rejected At:
▼CVE Numbering Authority (CNA)
Session fixation via public cached pages and SESSION_SAVE_EVERY_REQUEST

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but `SESSION_SAVE_EVERY_REQUEST` is `True`. A remote attacker can steal a user's session after that user visits a cached public page. 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 Cantina for reporting this issue.

Affected Products
Vendor
Djangodjangoproject
Product
Django
Collection URL
https://pypi.org/project/Django/
Package Name
django
Repo
https://github.com/django/django/
Default Status
unaffected
Versions
Affected
  • From 6.0 before 6.0.5 (python)
  • From 5.2 before 5.2.14 (python)
Unaffected
  • 6.0.5 (python)
  • 5.2.14 (python)
Problem Types
TypeCWE IDDescription
CWECWE-539CWE-539: Use of Persistent Cookies Containing Sensitive Information
Type: CWE
CWE ID: CWE-539
Description: CWE-539: Use of Persistent Cookies Containing Sensitive Information
Metrics
VersionBase scoreBase severityVector
4.02.3LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Version: 4.0
Base score: 2.3
Base severity: LOW
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Metrics Other Info
Django severity rating
value:
low
namespace:
https://docs.djangoproject.com/en/dev/internals/security/#security-issue-severity-levels
Impacts
CAPEC IDDescription
CAPEC-60CAPEC-60: Reusing Session IDs (aka Session Replay)
CAPEC ID: CAPEC-60
Description: CAPEC-60: Reusing Session IDs (aka Session Replay)
Solutions
Configurations
Workarounds
Exploits
Credits
reporter
Cantina
remediation developer
Jake Howard
coordinator
Sarah Boyce
Timeline
EventDate
Initial report received.2026-03-11 10:54:40
Vulnerability confirmed.2026-04-01 10:54:43
Security release issued.2026-05-05 09:00:00
Event: Initial report received.
Date: 2026-03-11 10:54:40
Event: Vulnerability confirmed.
Date: 2026-04-01 10:54:43
Event: Security release issued.
Date: 2026-05-05 09:00:00
Replaced By
Rejected Reason
References
HyperlinkResource
https://docs.djangoproject.com/en/dev/releases/security/
vendor-advisory
https://groups.google.com/g/django-announce
mailing-list
https://www.djangoproject.com/weblog/2026/may/05/security-releases/
vendor-advisory
Hyperlink: https://docs.djangoproject.com/en/dev/releases/security/
Resource:
vendor-advisory
Hyperlink: https://groups.google.com/g/django-announce
Resource:
mailing-list
Hyperlink: https://www.djangoproject.com/weblog/2026/may/05/security-releases/
Resource:
vendor-advisory
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Published At:05 May, 2026 | 16:16
Updated At:05 May, 2026 | 19:34

An issue was discovered in 6.0 before 6.0.5 and 5.2 before 5.2.14. Response headers do not vary on cookies if a session is not modified, but `SESSION_SAVE_EVERY_REQUEST` is `True`. A remote attacker can steal a user's session after that user visits a cached public page. 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 Cantina for reporting this issue.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary4.02.3LOW
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Type: Secondary
Version: 4.0
Base score: 2.3
Base severity: LOW
Vector:
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-539Secondary6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
CWE ID: CWE-539
Type: Secondary
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://docs.djangoproject.com/en/dev/releases/security/6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
N/A
https://groups.google.com/g/django-announce6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
N/A
https://www.djangoproject.com/weblog/2026/may/05/security-releases/6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
N/A
Hyperlink: https://docs.djangoproject.com/en/dev/releases/security/
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Resource: N/A
Hyperlink: https://groups.google.com/g/django-announce
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Resource: N/A
Hyperlink: https://www.djangoproject.com/weblog/2026/may/05/security-releases/
Source: 6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

1Records found
CVE-2026-6907
Matching Score-8
Assigner-6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
ShareView Details
Matching Score-8
Assigner-6a34fbeb-21d4-45e7-8e0a-62b95bc12c92
CVSS Score-2.3||LOW
EPSS-0.03% / 7.64%
||
7 Day CHG~0.00%
Published-05 May, 2026 | 14:50
Updated-07 May, 2026 | 14:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Potential exposure of private data due to incorrect handling of Vary: * in UpdateCacheMiddleware

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.

Action-Not Available
Vendor-Django
Product-djangoDjango
CWE ID-CWE-524
Use of Cache Containing Sensitive Information
Details not found