OWASP DefectDojo 2.59.0 API/Web serializers.py UserSerializer is_staff privileges management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.7 | $0-$5k | 2.68- |
Summary
A vulnerability identified as critical has been detected in OWASP DefectDojo 2.59.0. Impacted is the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Performing a manipulation of the argument is_staff results in privileges management.
This vulnerability is cataloged as CVE-2026-16764. It is possible to initiate the attack remotely. Furthermore, there is an exploit available.
You should upgrade the affected component.
2.59.0 was not intended to be released and has been removed.
Details
A vulnerability, which was classified as critical, was found in OWASP DefectDojo 2.59.0. This affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. The manipulation of the argument is_staff with an unknown input leads to a privileges management vulnerability. CWE is classifying the issue as CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. This is going to have an impact on confidentiality, integrity, and availability.
The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-16764. The exploitability is told to be easy. It is possible to initiate the attack remotely. Technical details and a public exploit are known. MITRE ATT&CK project uses the attack technique T1068 for this issue.
It is declared as proof-of-concept. 2.59.0 was not intended to be released and has been removed.
Upgrading to version 2.58.3 or 3.0.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 68a272f299d096249fd3ba9c2676bf69012857bf is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Product
Vendor
Name
Version
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.3VulDB Meta Temp Score: 5.7
VulDB Base Score: 6.3
VulDB Temp Score: 5.7
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Access: Public
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: DefectDojo 2.58.3/3.0.0
Patch: 68a272f299d096249fd3ba9c2676bf69012857bf
Timeline
07/23/2026 Advisory disclosed07/23/2026 VulDB entry created
07/23/2026 VulDB entry last update
Sources
Advisory: GHSA-w2j3-x3j3-mm43Status: Confirmed
Confirmation: 🔒
CVE: CVE-2026-16764 (🔒)
GCVE (CVE): GCVE-0-2026-16764
GCVE (VulDB): GCVE-100-382629
scip Labs: https://www.scip.ch/en/?labs.20161013
Entry
Created: 07/23/2026 16:17Changes: 07/23/2026 16:17 (63), 07/23/2026 16:18 (1)
Complete: 🔍
Submitter: 0xnosferatu
Cache ID: 216::103
Submit
Accepted
- Submit #861317: djangoproject django-DefectDojo 2.59.0 CWE-269 - Improper Privilege Management (by 0xnosferatu)
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
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