Denial of service in Django

1) Input validation error

EUVDB-ID: #VU105388

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2025-26699

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in django.utils.text.wrap() and wordwrap template filter. A remote attacker can pass very long strings to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Django: 4.2 - 5.1.6

CPE2.3

• cpe:2.3:a:django_software_foundation:django:4.2.19:*:*:*:*:*:*:*
• cpe:2.3:a:django_software_foundation:django:5.1.6:*:*:*:*:*:*:*

External links

https://www.djangoproject.com/weblog/2025/mar/06/security-releases/

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.