Vulnerability · Published Mar 9, 2026 · Assigned by VulDB
CVE-2026-3816OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service
Medium 4.3
In plain English
A medium-severity security flaw in DefectDojo from OWASP. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities).
Official 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 (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OWASP | DefectDojo | 2.55.02.55.12.55.22.55.32.55.4 |
Weakness: CWE-404 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
References
- VDB-349782 | OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service vdb-entry, technical-description
- VDB-349782 | CTI Indicators (IOB, IOC, TTP, IOA) signature, permissions-required
- Submit #769524 | OWASP DefectDojo <= 2.55.4 Denial of Service third-party-advisory
- https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md related
- https://github.com/DefectDojo/django-DefectDojo/pull/14408 issue-tracking, patch
- https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md#supporting-materialreferences exploit
- https://github.com/DefectDojo/django-DefectDojo/commit/e8f1e5131535b8fd80a7b1b3085d676295fdcd41 patch
- https://github.com/DefectDojo/django-DefectDojo/releases/tag/2.56.0 patch