CVE-2025-58443Fogproject Authentication Bypass
Versions 1.5.10.1673 and below contain an authentication bypass vulnerability.
Published Sep 6, 2025 · Updated Oct 16, 2026 · Also known as GHSA-mvwm-9m2h-87p9
Key Facts
Patch immediately- CVE-2025-58443 is a critical-severity vulnerability (CVSS 9.9 v4) affecting Fogproject.
- It is exploited in the wild, listed in Industry KEV feed since Dec 8, 2025. Public exploit code is available.
- EPSS estimates a 21% probability of exploitation in the next 30 days.
- Fixed versions are available, including Fogproject <=1.5.10.1673, Fogproject 1.5.10.1673.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Scores
CVSS v4
9.9
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:N/SC:H/SI:H/SA:N/E:X/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
EPSS (30-day exploit likelihood)
21%
Higher than 97.5% of all scored CVEs
Exploit maturity
Proof of concept
ATLAS score
39/100
Publication score, see How it works
Exploitation Verdict
KEV listed
Dec 8, 2025
Federal due date
None
No federal due date
Ransomware use
Not reported
Attributed actors
None named
Exploit & Defence Guidance
Exploit maturity
Proof of concept
Public exploit code
1
Proof-of-concept links
In-the-wild evidence
1
Reports of active use
Advisories And Exploit References
Description
FOG is a free open-source cloning/imaging/rescue suite/inventory management system. Versions 1.5.10.1673 and below contain an authentication bypass vulnerability. It is possible for an attacker to perform an unauthenticated DB dump where they could pull a full SQL DB without credentials.
A fix is expected to be released 9/15/2025. To address this vulnerability immediately, upgrade to the latest version of either the dev-branch or working-1.6 branch.
This will patch the issue for users concerned about immediate exposure. See the FOG Project documentation for step-by-step upgrade instructions: https://docs.fogproject.org/en/latest/install-fog-server#choosing-a-fog-version.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Dec 8, 2025 | n/a | Not reported |
Affected Products
2 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FogprojectFogproject | >= <= 1.5.10.1673 | 1.5.10.1673 |
Patched Releases
Fogproject
<=1.5.10.1673
Timeline
Publicly disclosed
Sep 6, 2025
Added to Industry KEV feed
Dec 8, 2025
Last updated
Oct 16, 2026
Weakness Type
- CWE-287 Improper Authentication
- CWE-306 Missing Authentication for Critical Function
References
FAQ
Common Questions.
FOG is a free open-source cloning/imaging/rescue suite/inventory management system.
Affected: Fogproject versions >= <= 1.5.10.1673. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Dec 8, 2025.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
Fixed versions are available, including Fogproject <=1.5.10.1673, Fogproject 1.5.10.1673.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
Is CVE-2025-58443 On Your Attack Surface?
Brandefense matches it against the products discovered on your perimeter and opens a finding the day a CVE like this is listed.
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