CVE-2026-16764: A vulnerability was identified in OWASP DefectDojo 2.59.0

Routine

MEDIUM 6.3

CVE-2026-16764 is a medium-severity flaw (CVSS 6.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 68

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.4% (top 66%)
CISA exploited list	No
Weakness	CWE-266, CWE-269
Published	2026-07-23
Last modified	2026-10-24

Publisher (CNA): VulDB

Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-07-23 22:16 UTCPublished CVE record published
2026-10-24 13:10 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · uv · FIXED · 0.13.5-2.fc46 · FEDORA-2026-0a45cde16b · source

sudo dnf upgrade --advisory=FEDORA-2026-0a45cde16b

Fedora ELN · oo7 · FIXED · 0.7.0~beta-3.eln159 · FEDORA-2026-f348262964 · source

sudo dnf upgrade --advisory=FEDORA-2026-f348262964

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: hakaioffsec/CVE-2026-16764 (1 stars)

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2026-16764?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-16764 being exploited?

CVE-2026-16764 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2026-16764 affect?

CVE-2026-16764 affects affected software. Severity is medium (CVSS 6.3). 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 privileg

How urgent is CVE-2026-16764?

Priority 31/100. No elevated risk signals yet.

References

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