How severe is CVE-2026-11439?

CVE-2026-11439 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2026-11439 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-11439?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-11439 have an EU (EUVD) identifier?

Yes. CVE-2026-11439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34974.

When was CVE-2026-11439 published?

CVE-2026-11439 was published on 2026-06-06 and last updated on 2026-06-17.

CVE-2026-11439

CVE-2026-11439 is a medium-severity vulnerability with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-266.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
CVSS v2: 6.5
CVSS v4: 5.3
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-34974
Weakness: CWE-266
Published: 2026-06-06
Last modified: 2026-06-17

Description

A vulnerability was found in theonedev onedev up to 15.0.5. Affected by this issue is some unknown functionality of the file /projects/ of the component Parent Project Handler. The manipulation of the argument project.parentId results in improper authorization. The attack may be performed from remote. Upgrading to version 15.0.6 can resolve this issue. It is recommended to upgrade the affected component.

Frequently asked questions

What is CVE-2026-11439?: A vulnerability was found in theonedev onedev up to 15.0.5. Affected by this issue is some unknown functionality of the file /projects/ of the component Parent Project Handler. The manipulation of the argument project.parentId results in improper authorization. The attack may be performed from remote. Upgrading to version 15.0.6 can resolve this issue. It is recommended to upgrade the affected component.
How severe is CVE-2026-11439?: CVE-2026-11439 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2026-11439 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-11439?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-11439 have an EU (EUVD) identifier?: Yes. CVE-2026-11439 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-34974.
When was CVE-2026-11439 published?: CVE-2026-11439 was published on 2026-06-06 and last updated on 2026-06-17.

References

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