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Fencer Vulns
high 8.8

CVE-2020-26803 json

In Sentrifugo 3.2, users can upload an image under "Assets -> Add" tab.

published 2020-11-12 5 y ago modified 2026-06-17 4 mo ago also EUVD-2020-19339

cvss
8.8
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.4%
EPSS 1.4% chance of exploitation in 30 days, percentile 72%
public exploits
0
none known

Summary

In Sentrifugo 3.2, users can upload an image under "Assets -> Add" tab. This "Upload Images" functionality is suffered from "Unrestricted File Upload" vulnerability so attacker can upload malicious files using this functionality and control the server.

Exploit prediction

1.41% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • fatihhcelik.blogspot.com https://fatihhcelik.blogspot.com/2020/10/sentrifugo-version-32-rce-authenticated_6.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 6.5 AV:N/AC:L/Au:S/C:P/I:P/A:P

Classification

Weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type

References

Sources

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.