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CVE-2026-35192

Session fixation via public cached pages and SESSION_SAVE_EVERY_REQUEST

Published: May 5, 2026Updated: May 7, 2026 Sources: CVE List NVDCWE-539
NVD MITRE
6.5CVSSMEDIUM
EPSS Score
0.4%
Top 67.2%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:NA:N
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:NIntegrity
None
A:NAvailability
None
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Weaknesses

CWE-539

Affected Products

DjangodjangoprojectOSS Libraries
djangodjangoprojectOSS Libraries
djangoprojectoss-projectOSS Librariesaka django

Exploitability

Official Patch Available

References

https://docs.djangoproject.com/en/dev/releases/security/
docs.djangoproject.com
https://groups.google.com/g/django-announce
groups.google.com
https://www.djangoproject.com/weblog/2026/may/05/security-releases/
djangoproject.com

Timeline

Published
May 5, 2026
Last Updated
May 7, 2026

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