Distribution advisory
This page covers CVE-2026-3902 as tracked by Ubuntu, for the package python-django. The fix is available in version 3:5.2.4-1ubuntu2.4; earlier versions remain affected.
How this vulnerability can be exploited
This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity high, availability none.
CVSS metrics in full
The score comes from this vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
- Attack vector: Network — reachable from anywhere that can route to the service.
- Attack complexity: Low — the attack works reliably, with no preparation.
- Privileges required: None — an unauthenticated stranger can try it.
- User interaction: None — nobody has to be tricked into anything.
- Scope: Unchanged — the damage stays inside the vulnerable component.
- Confidentiality impact: None.
- Integrity impact: High — total loss, or loss the attacker controls.
- Availability impact: None.
Weakness class
UBUNTU-CVE-2026-3902 is classified as CWE-290: Authentication Bypass by Spoofing. Identity is inferred from something an attacker can forge, such as a header or address.
Affected software
UBUNTU-CVE-2026-3902 is recorded against 1 package.
- python-django (fixed in 3:5.2.4-1ubuntu2.4)
Timeline and source
Published on 7 April 2026 and last revised on 13 April 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.
References
ubuntu.com (Report)
www.cve.org (Report)
www.djangoproject.com (Report)
ubuntu.com (Advisory)
Other advisories for this package
python-django has other advisories on record. If you are patching this one, these are worth checking on the same host:
Same weakness in other software
These advisories are the same class of weakness (CWE-290: Authentication Bypass by Spoofing) in other software:
