CVE-2026-64946
CSRF Bypass Leading to Stored Cross-Site Scripting via Unrestricted SVG Upload in File Manager
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Active
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
CSRF Bypass Leading to Stored Cross-Site Scripting via Unrestricted SVG Upload in File Manager
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
- Record
CVE-2026-64946- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
EUVDEUVD-2026-90593
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
- Record
EUVD-2026-90593- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/S:N/AU:Y/R:U/V:C/RE:M/U:Amber - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8c26-h44h-c9rf
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows...
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
- Record
GHSA-8c26-h44h-c9rf- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/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:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
A chained CSRF and unrestricted SVG file upload vulnerability in the File Manager module allows stored Cross-Site Scripting, enabling session cookie exfiltration and administrator account takeover. This issue affects Pandora FMS: from 777 onwards.
- Record
CVE-2026-64946- CVSS 4.0
- 7.4 High
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/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:N/AU:Y/R:U/V:C/RE:M/U:Amber - Weakness
- CWE-79, CWE-352
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-64946 is a high vulnerability (CVSS 7.4) in Pandora Fms Fms, published October 1, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.16%, the 4th percentile. No source names a fixed version.