What is CVE-2026-16764?

CVE-2026-16764 is a medium-severity vulnerability in Owasp Defectdojo, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-07-23.

How severe is CVE-2026-16764?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2026-16764 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Privilege escalation in Owasp Defectdojo

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.

Published 2026-07-23 · last modified 2026-07-24.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.004 (33.9th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 34th percentile — 33.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000

Affected products

Owasp Defectdojo — versions 2.59.0, 2.58.3, 3.0.0

Weakness classification (CWE)

Public proof-of-concept exploits

hakaioffsec/CVE-2026-16764

References

vuldb.com/vuln/382629 (technical-description, vdb-entry)
vuldb.com/vuln/382629/cti (signature, permissions-required)
vuldb.com/cve/CVE-2026-16764 (third-party-advisory)
vuldb.com/submit/861317 (third-party-advisory)
github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43 (related)
github.com/DefectDojo/django-DefectDojo/pull/14952 (issue-tracking, patch)
github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69… (patch)
github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0 (patch)

Frequently asked questions

What is CVE-2026-16764?: CVE-2026-16764 is a medium-severity vulnerability in Owasp Defectdojo, classified under Incorrect Privilege Assignment. CVSS score: 6.3/10. Published 2026-07-23.
How severe is CVE-2026-16764?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2026-16764 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.