CVE-2022-27261
CVSS v3
7.5
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the same name, causing an overwrite of files in the web application server.
Technical details
- Published
- 2022-04-12
Frequently asked questions
What is CVE-2022-27261?
An arbitrary file write vulnerability in Express-FileUpload v1.3.1 allows attackers to upload multiple files with the same name, causing an overwrite of files in the web application server.
Is CVE-2022-27261 actively exploited?
Active exploitation of CVE-2022-27261 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2022-27261?
CVE-2022-27261 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2022-27261 affecting your environment?
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