Skip to content
Fencer Vulns
high 8.8

CVE-2025-0928 json

Arbitrary executable upload via authenticated endpoint

published 2025-07-08 16 mo ago modified 2026-06-17 4 mo ago also GHSA-4vc8-wvhw-m5gv , GO-2025-3805 , EUVD-2025-20665

cvss
8.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 53%
public exploits
0
none known

Summary

In Juju versions prior to 3.6.8 and 2.9.52, any authenticated controller user was allowed to upload arbitrary agent binaries to any model or to the controller itself, without verifying model membership or requiring explicit permissions. This enabled the distribution of poisoned binaries to new or upgraded machines, potentially resulting in remote code execution.

Patch / fix

  • go github.com/juju/juju 0.0.0-20250619215741-4034aa13c7cf
  • Canonical Juju 2.9.52, 3.6.8
  • govulncheck-vulndb openSUSE Tumbleweed 0.0.20250730T213748-1.1

opensuse advisories openSUSE-SU-2025:15405-1

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
total
Assessed
16 mo ago

Exploit prediction

0.69% chance of exploitation in the next 30 days, higher than 53% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/juju/juju/security/advisories/GHSA-4vc8-wvhw-m5gv referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 8.8 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
go github.com/juju/juju
<0.0.0-20250619215741-4034aa13c7cf
all versions
0.0.0-20250619215741-4034aa13c7cf

Affected products

  • Canonical Juju

Classification

Weakness
  • CWE-285 Improper Authorization
  • 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.