Denial of Service Vulnerability in OWASP DefectDojo by OWASP
CVE-2026-3816

5.3MEDIUM

Key Information:

Vendor

Owasp

Status
Defectdojo
Vendor
CVE Published:
9 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2026-3816?

A security vulnerability has been identified in OWASP DefectDojo affecting versions up to 2.55.4. Specifically, the issue resides in the 'input_zip.read' function within the SonarQubeParser/MSDefenderParser component's parser.py file. This flaw can allow a remote attacker to initiate a denial of service, which disrupts normal operations. It is crucial for users to upgrade to version 2.56.0 or later to mitigate this vulnerability. The patch identifier for this update is e8f1e5131535b8fd80a7b1b3085d676295fdcd41.

Affected Version(s)

DefectDojo 2.55.0

DefectDojo 2.55.1

DefectDojo 2.55.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2026-3816 - Proof of Concept

References

https://vuldb.com/?id.349782
vdb-entrytechnical-description
https://vuldb.com/?ctiid.349782
signaturepermissions-required
https://vuldb.com/?submit.769524
third-party-advisory

CVSS V4

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

h3nrrrych4u (VulDB User)
.