CVE-2026-16764: Privilege Escalation (CVSS 6.3)

Description

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.

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CVSS v3.1 Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

EPSS — Exploit Prediction

0.0023

Probability of exploitation

0.14%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-266 CWE-266

CWE-269 CWE-269

References

Other References

https://github.com/DefectDojo/django-DefectDojo/commit/68a272f299d096249fd3ba9c2676bf69012857bf https://github.com/DefectDojo/django-DefectDojo/pull/14952 https://github.com/DefectDojo/django-DefectDojo/releases/tag/3.0.0 https://github.com/DefectDojo/django-DefectDojo/security/advisories/GHSA-w2j3-x3j3-mm43 https://vuldb.com/cve/CVE-2026-16764 https://vuldb.com/submit/861317 https://vuldb.com/vuln/382629 https://vuldb.com/vuln/382629/cti

Frequently Asked Questions

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. It has a CVSS v3.1 base score of 6.3 (MEDIUM).

How severe is CVE-2026-16764? +

CVE-2026-16764 has a CVSS v3.1 score of 6.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0023, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-16764? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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