FastApiAdmin Scheduled Task API controller.py upload_controller unrestricted upload

published 2026-02-23 8 mo ago modified 2026-06-17 4 mo ago also EUVD-2026-7609

cvss: 6.3; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 27%
public exploits: 0; none known

A security vulnerability has been detected in FastApiAdmin up to 2.2.0. This affects the function upload_controller of the file /backend/app/api/v1/module_common/file/controller.py of the component Scheduled Task API. Such manipulation leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.

CISA SSVC

Exploitation: Proof of concept is public
Automatable: no
Technical impact: partial
Assessed: 8 mo ago (2026-02-23)

Exploit prediction

0.34% chance of exploitation in the next 30 days, higher than 27% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/CC-T-454455/Vulnerabilities/tree/master/fastapi-admin/vulnerability-3 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
CNA	4.0	5.3	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	3.0	6.3	CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR
CNA	4.0	2.1	CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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
CNA	3.1	6.3	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA	2.0	6.5	AV:N/AC:L/Au:S/C:P/I:P/A:P

Affected products

n/a FastApiAdmin

Classification

Weakness

CWE-434 Unrestricted Upload of File with Dangerous Type
CWE-284 Improper Access Control

References

github.com /CC-T-454455/Vulnerabilities/tree/master/fastapi-admin/vulnerability-3
exploit, third-party-advisory
vuldb.com /?id.347361
vdb-entry, technical-description, third-party-advisory
vuldb.com /?ctiid.347361
signature, permissions-required, vdb-entry
vuldb.com /?submit.756144
third-party-advisory, vdb-entry

Sources

CVE List CVE-2026-2977
NVD CVE-2026-2977

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary