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CVE-2026-121436: Froxlor Information Exposure Vulnerability

CVE-2026-121436 explained: high Information Exposure in Froxlor. CVSS 8.6. Affected versions, detection, fixes and CTEM priority.

Last updated: Nov 3, 2026

CVSS
8.6 HIGH
EPSS
n/a
CISA KEV
Not listed
CWE
CWE-200

Sources: National Vulnerability Database, CVE.org, CISA KEV, FIRST EPSS

CVE-2026-121436 Overview

Froxlor from 2.3.8 before 2.3.15 contains an information disclosure vulnerability that allows administrators with customers_see_all to view every account's API key and secret through an unscoped WHERE 1 query in api_keys.php. Attackers can read the super administrator's apikey and secret from the detail modal and replay them to the API to gain super administrator control.

Critical Impact

Remote, authenticated attackers can exploit this Information Exposure in Froxlor. The CVSS base score is 8.6 (High).

Affected Products

  • Froxlor: see the vendor advisory for the exact affected versions

Discovery Timeline

  • 2026-11-03: CVE-2026-121436 published to the National Vulnerability Database by disclosure@vulncheck.com
  • 2026-11-03: last updated in the NVD database

Technical Details for CVE-2026-121436

Vulnerability Analysis

CVE-2026-121436 is a Information Exposure weakness (CWE-200: Information Exposure) in Froxlor. Based on its CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction. Sensitive information is shown to someone who should not see it.

With a CVSS base score of 8.6, apply the vendor fix and confirm exposure on internet facing and business critical assets first.

Root Cause

The weakness is classified as CWE-200: Information Exposure. Sensitive information is shown to someone who should not see it.

Attack Vector

Based on the CVSS vector, the flaw can be reached over the network, needs some level of access, and needs no user interaction. Attack complexity is low complexity.

No exploitation in the wild is confirmed by CISA at the time of the last update. Check the references below for any vendor or researcher proof of concept.

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/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:X/AU:X/R:X/V:X/RE:X/U:X

Detection Methods for CVE-2026-121436

Detection Strategies

  • Inventory every instance of Froxlor and compare the running version with the affected range above.
  • Check external attack surface scans for internet facing instances of the component.
  • Run an authenticated vulnerability scan once your scanner ships a check for this CVE.

Monitoring Recommendations

  • Forward Froxlor application, access and audit logs to your SIEM for retrospective hunting.
  • Alert on new processes, configuration changes or outbound connections from the affected service.
  • Track the vendor advisory and the CISA KEV catalog for changes in exploitation status.

How to Mitigate CVE-2026-121436

Immediate Actions Required

  • Apply the fixed version of Froxlor named in the vendor advisory.
  • Prioritize internet facing and business critical instances first.
  • Rescan after the change to confirm the exposure is closed.

Patch Information

Use the fixed version listed in the vendor advisory for Froxlor.

Workarounds

  • If patching must wait, restrict network access to the affected service and place it behind authentication or a web application firewall rule.

CWE References

Technical References

This entry is built directly from NVD, CISA KEV and EPSS data. Verify fixed versions in the vendor advisory before you deploy.

Frequently asked questions

CVE-2026-121436 is a high severity Information Exposure in Froxlor with a CVSS score of 8.6. Apply the vendor fix and confirm exposure on internet facing and business critical assets first.

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