What is CVE-2026-35192?

CVE-2026-35192 is a medium-severity vulnerability in Djangoproject Django, classified under CWE-539. CVSS score: 6.5/10. Published 2026-05-05.

How severe is CVE-2026-35192?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in Djangoproject Django

CVE-2026-35192

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.

EPSS: 0.005 (43.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.

Affected products

Djangoproject Django — versions 6.0, 6.0.5, 5.2

Weakness classification (CWE)

CWE-539

References

6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (vendor-advisory, Vendor Advisory)
6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (mailing-list, Third Party Advisory)
6a34fbeb-21d4-45e7-8e0a-62b95bc12c92 (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-35192?: CVE-2026-35192 is a medium-severity vulnerability in Djangoproject Django, classified under CWE-539. CVSS score: 6.5/10. Published 2026-05-05.
How severe is CVE-2026-35192?: Medium severity. CVSS v3 base score is 6.5 out of 10.