What’s Vulnerable › Vulnerabilities

CVE-2026-3816: OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service

• Severity: medium (CVSS 6.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-03-09 · updated 2026-06-17
• Weakness: CWE-404

Description

A security vulnerability has been detected in OWASP DefectDojo up to 2.55.4. This vulnerability affects the function input_zip.read of the file parser.py of the component SonarQubeParser/MSDefenderParser. The manipulation leads to denial of service. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 2.56.0 is able to resolve this issue. The identifier of the patch is e8f1e5131535b8fd80a7b1b3085d676295fdcd41. Upgrading the affected component is recommended.

Affected products

• OWASP DefectDojo: before 2.56.0 — fixed in 2.56.0

How to fix

Upgrade to a fixed version: OWASP DefectDojo 2.56.0. Check the vendor advisory for mitigations.

References

• https://github.com/DefectDojo/django-DefectDojo/commit/e8f1e5131535b8fd80a7b1b3085d676295fdcd41
• https://github.com/DefectDojo/django-DefectDojo/pull/14408
• https://github.com/DefectDojo/django-DefectDojo/releases/tag/2.56.0
• https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md
• https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md#supporting-materialreferences
• https://vuldb.com/?ctiid.349782
• https://vuldb.com/?id.349782
• https://vuldb.com/?submit.769524

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