Which versions of Defectdojo are affected by CVE-2026-3816?

Organizations using OWASP DefectDojo should be aware of moderate risk from CVE-2026-3816 rated CVSS 4.3. Exploitation could compromise the security of affected deployments.. A patch is available.

Is there a public PoC exploit available for CVE-2026-3816?

Yes, a public proof-of-concept exploit is available for CVE-2026-3816. Prioritise patching immediately. EPSS: 0.0%.

Defectdojo CVE-2026-3816

Q: What is the CVSS score of CVE-2026-3816?

CVE-2026-3816 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.0%.

LOW

Improper Resource Shutdown or Release (CWE-404)

2026-03-09 cna@vuldb.com

Denial Of Service Defectdojo

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

4.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:56 vuln.today

PoC Detected

Mar 10, 2026 - 19:55 vuln.today

Public exploit code

Patch released

Mar 10, 2026 - 19:55 nvd

Patch available

CVE Published

Mar 09, 2026 - 11:16 nvd

MEDIUM 4.3

DescriptionCVE.org

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.

AnalysisAI

DefectDojo versions up to 2.55.4 contain a denial of service vulnerability in the SonarQubeParser and MSDefenderParser components where improper handling of ZIP file input allows authenticated remote attackers to crash the service. Public exploit code exists for this vulnerability, and administrators should upgrade to version 2.56.0 or later to remediate the issue.

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Vulnerability AssessmentAI

Risk Assessment	CVSS 4.3 (MEDIUM). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	A remote attacker could exploit this flaw, denial of service.
Remediation	A vendor patch is available — apply it immediately. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 30 days: Identify affected systems running OWASP DefectDojo and apply vendor patches as part of regular patch cycle. …

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CVE-2026-3816 vulnerability details – vuln.today

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