CVE & CISA-KEV Catalog

CVE-2026-14644

HIGH
8.6
CVSS v4
NVD

Description

Nexus Repository 3 contained a privilege escalation vulnerability in the REST privileges API. An authenticated user with permission to manage privileges could, under certain role configurations, escalate their own access to full administrator by exploiting a type-confusion flaw in the privilege update endpoint.

How to fix

No published remediation has been found for this vulnerability's affected products yet.

Mitigation guidance may be in the linked vendor advisories in the References section below.

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CVSS v4 Vector

Exploitability

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredLow
User InteractionNone

Impact

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Exploit Intelligence

0.24%probability of exploitation in 30 days
14thpercentile

Low risk: more likely to be exploited than 14% of all known CVEs.

References

Related Vulnerabilities

Other CWE-843 (Type Confusion) vulnerabilities, ordered by exploit likelihood. View all

CVESeverityCVSSEPSSExploitedFix
CVE-2011-0611High8.899%KEVFix
CVE-2012-0507Critical9.898%KEV + Ransom-
CVE-2017-8291High7.897%KEVFix
CVE-2021-21224High8.884%KEVFix
CVE-2019-0752High7.582%KEV + Ransom-
CVE-2017-0037High8.180%KEV-

Common questions

How do I fix CVE-2026-14644?

No published fix for CVE-2026-14644 has been found yet. Check the linked vendor advisories for guidance as it becomes available.

Is CVE-2026-14644 being actively exploited?

Not that we know of. CVE-2026-14644 is not in the CISA Known Exploited Vulnerabilities catalog. Its EPSS score of 0.24% is the estimated probability that it will be exploited in the next 30 days. That is higher than 14% of all scored CVEs.

How severe is CVE-2026-14644?

CVE-2026-14644 has a CVSS v4 base score of 8.6, rated high. CVSS rates the technical impact if the vulnerability is exploited, not how likely that is, so weigh it alongside the exploit-prediction score when you decide what to patch first.

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-08-08.