Is CVE-2026-2978 actively exploited?

A proof-of-concept exploit is publicly available for CVE-2026-2978, but active exploitation has not been confirmed.

Can CVE-2026-2978 be exploited remotely?

Yes. CVE-2026-2978 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2026-2978?

CVE-2026-2978 has a CVSS score of 8.8 (HIGH) and an EPSS exploitation probability of 0.03%.

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HIGHPOC

CVE-2026-2978

CWE-284Published: February 23, 2026· Updated: Feb 25, 2026

8.8

CVSS v3.1

EPSS:0.03%probability of exploitation in 30 daysPercentile:9.6th

Official Description

A vulnerability was detected in FastApiAdmin up to 2.2.0. This vulnerability affects the function upload_file_controller of the file /backend/app/api/v1/module_system/params/controller.py of the component Scheduled Task API. Performing a manipulation results in unrestricted upload. The attack can be initiated remotely. The exploit is now public and may be used.

NVD Source

Technical Analysis

CVE-2026-2978 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 8.8.

A proof-of-concept (PoC) exploit exists for CVE-2026-2978. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.