CVE-2025-55383

HIGHNVD 8.68.6—Elevated

8.6

Moss before v0.15 has a file upload vulnerability. The "upload" function configuration allows attackers to upload files of any extension to any location on the target server.

CVSS v3: 8.6
EG Score: 8.6(medium)
EPSS: 45.5%
KEV: Not listed

Published

August 21, 2025

Last Modified

April 15, 2026

References (1)

cve@mitrehttps://github.com/deep-project/moss/issues/16

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 12× 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.

2026-06-07 15:24 UTCepss_batch
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2026-06-06 13:47 UTCepss_batch
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2026-05-31 22:30 UTCepss_batch
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Frequently asked(5)

What is CVE-2025-55383?

CVE-2025-55383 is a high vulnerability published on August 21, 2025. Moss before v0.15 has a file upload vulnerability. The "upload" function configuration allows attackers to upload files of any extension to any location on the target server.

When was CVE-2025-55383 disclosed?

CVE-2025-55383 was first published in the National Vulnerability Database on August 21, 2025, with the most recent update on April 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2025-55383 actively exploited?

CVE-2025-55383 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 45.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2025-55383?

CVE-2025-55383 has a CVSS v3 base score of 8.6 (NVD).

How do I remediate CVE-2025-55383?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-55383, 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-2025-55383

📅 Published

🔄 Last Modified

🔗 References (1)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2025-55383?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (1)

Frequently asked(5)

Related CVEs(same CWE)