# CVE-2026-16764 — OWASP DefectDojo

> As of 2026-07-24, CVE-2026-16764 is a MEDIUM-severity vulnerability in OWASP DefectDojo, CVSS v3.1 6.3, EPSS 0.2% (14.3th percentile). No Threadlinqs-tracked threat campaign has been attributed to CVE-2026-16764 as of 2026-07-24; the identifier is re-checked against the Threadlinqs threat corpus on every daily ingest.

**Last updated:** 2026-07-24

## What is CVE-2026-16764?

A vulnerability was identified in OWASP DefectDojo 2.59.0. This issue affects the function UserSerializer of the file dojo/api_v2/serializers.py of the component API/Web. Such manipulation of the argument is_staff leads to improper privilege management. The attack may be performed from remote. The exploit is publicly available and might be used. Upgrading to version 2.58.3 and 3.0.0 is capable of addressing this issue. The name of the patch is 68a272f299d096249fd3ba9c2676bf69012857bf. It is advisable to upgrade the affected component. 2.59.0 was not intended to be released and has been removed.

The record classifies CVE-2026-16764 under weakness classes [CWE-269](https://intel.threadlinqs.com/cwe/CWE-269), [CWE-266](https://intel.threadlinqs.com/cwe/CWE-266). Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs low-privilege credentials, needs no user interaction. 1 affected-product entry is recorded, across 1 vendor, listed below. The identifier was first published 74 days ago.

## Severity and exploitation probability

- **CVSS v3.1 base score:** 6.3 — MEDIUM (`CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C`)
- **CVSS v4.0 base score:** 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P`)
- **EPSS (FIRST):** 0.2% probability of exploitation in the next 30 days, higher than 14.3% of all scored CVEs
- **CISA KEV:** Not listed in the CISA Known Exploited Vulnerabilities catalog
- **Threadlinqs priority:** 3.7/10 — a Threadlinqs composite of the CVSS base score, the EPSS percentile and public exploit availability
- **Published:** 2026-07-23, last modified 2026-07-24

## Is CVE-2026-16764 being exploited?

It currently carries a trending score of 33 in the Threadlinqs vulnerability feed.

## Affected products and versions

- **OWASP**: DefectDojo

## How to fix CVE-2026-16764

No vendor patch reference has been recorded for CVE-2026-16764 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

## Threat activity tracking CVE-2026-16764

No threat campaign in the Threadlinqs corpus currently references CVE-2026-16764, in its CVE list or as an indicator. The linkage is recomputed from the live corpus on every daily ingest, so this section fills in as soon as a tracked campaign cites the identifier.

## Sources

Enriched from CVE.org, FIRST EPSS, GitHub Security Advisories. Last verified by Threadlinqs on 2026-07-26.

**Vendor advisory and patch**

- [github.com — issue tracking](https://github.com/DefectDojo/django-DefectDojo/pull/14952)
- [github.com — patch](https://github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69012857bf)
- [github.com — patch (3.0)](https://github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0)

**Technical analysis**

- [vuldb.com — vdb entry](https://vuldb.com/vuln/382629)

**Third-party advisory**

- [vuldb.com — signature](https://vuldb.com/vuln/382629/cti)
- [vuldb.com — third party advisory](https://vuldb.com/cve/CVE-2026-16764)
- [vuldb.com — third party advisory (861317)](https://vuldb.com/submit/861317)

**Other references**

- [github.com — related](https://github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43)

Canonical: https://intel.threadlinqs.com/cve/CVE-2026-16764
Full detection coverage and IOCs for threats exploiting CVE-2026-16764 via the Threadlinqs MCP server (Purple tier): https://intel.threadlinqs.com/mcp