CVE-2023-26830

HIGHNVD 7.27.2—

7.2

An unrestricted file upload vulnerability in the administrative portal branding component of Gladinet CentreStack before 13.5.9808 allows authenticated attackers to execute arbitrary code by uploading malicious files to the server.

CVSS v3: 7.2
EG Score: 7.2(medium)
EPSS: 82.3%
KEV: Not listed

Published

March 31, 2023

Last Modified

February 18, 2025

References (2)

cve@mitrehttps://www.whiteoaksecurity.com/blog/centrestack-disclosure/
af854a3a-2127-422b-91ae-364da2661108https://www.whiteoaksecurity.com/blog/centrestack-disclosure/

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-434Unrestricted Upload of File with Dangerous Type

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-05 06:09 UTCepss_batch
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2026-05-26 13:43 UTCepss_batch

Frequently asked(5)

What is CVE-2023-26830?

CVE-2023-26830 is a high vulnerability published on March 31, 2023. An unrestricted file upload vulnerability in the administrative portal branding component of Gladinet CentreStack before 13.5.9808 allows authenticated attackers to execute arbitrary code by uploading malicious files to the server.

When was CVE-2023-26830 disclosed?

CVE-2023-26830 was first published in the National Vulnerability Database on March 31, 2023, with the most recent update on February 18, 2025. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-26830 actively exploited?

CVE-2023-26830 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 82.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-26830?

CVE-2023-26830 has a CVSS v3 base score of 7.2 (NVD).

How do I remediate CVE-2023-26830?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-26830, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-26830

📅 Published

🔄 Last Modified

🔗 References (2)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-26830?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (2)

Frequently asked(5)

Related CVEs(same CWE)