Medium severity · published Mar 9, 2026
CVE-2026-3816
OWASP DefectDojo SonarQubeParser/MSDefenderParser parser.py input_zip.read denial of service
6.5
CVSS
0.6%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.6% · higher than 47% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DE
DefectDojo · OWASP
2.55.0; 2.55.1; 2.55.2; 2.55.3; 2.55.4 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-3816
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-3816
Patch
https://github.com/DefectDojo/django-DefectDojo/commit/e8f1e5131535b8fd80a7b1b3085d676295fdcd41
Issue Tracking
https://github.com/DefectDojo/django-DefectDojo/pull/14408
Release Notes
https://github.com/DefectDojo/django-DefectDojo/releases/tag/2.56.0
Exploit
https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md
Exploit
https://github.com/henrrrychau/cve-bug-bounty/blob/main/dfdj_zip_bomb_dos_oom/dfdj_zip_bomb_dos_oom.md#supporting-materialreferences
Permissions Required
https://vuldb.com/?ctiid.349782
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