CVE-2025-69985: FUXA 1.2.8 and prior contains an Authentication Bypass vulnerability leading to Remote Code Execution (RCE)

Q: How do I fix CVE-2025-69985?

fuxa: upgrade to newer than 1.2.8. Exact commands for each OS are on this page.

Q: Is CVE-2025-69985 being exploited?

CVE-2025-69985 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-69985 affect?

CVE-2025-69985 affects fuxa. Severity is critical (CVSS 9.8). FUXA 1.2.8 and prior contains an Authentication Bypass vulnerability leading to Remote Code Execution (RCE). The vulnerability exists in the server/api/jwt-helper.js middleware, which improperly trusts the HTTP "Referer" header to validate

Q: How urgent is CVE-2025-69985?

Priority 68/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-69985 is a critical-severity flaw (CVSS 9.8) affecting fuxa. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

FUXA 1.2.8 and prior contains an Authentication Bypass vulnerability leading to Remote Code Execution (RCE). The vulnerability exists in the server/api/jwt-helper.js middleware, which improperly trusts the HTTP "Referer" header to validate internal requests. A remote unauthenticated attacker can bypass JWT authentication by spoofing the Referer header to match the server's host. Successful exploitation allows the attacker to access the protected

Why this priority

Critical severity
EPSS top 7%: very likely to be exploited
Public exploit reference
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	6.0% (top 7%)
CISA exploited list	No
Weakness	CWE-288
Published	2026-02-24
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: frangoteam

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-24 16:24 UTCPublished CVE record published
2026-06-17 10:00 UTCUpdated Record last modified

frangoteam fuxa UPGRADE

Affected: <= 1.2.8

Fixed in: newer than 1.2.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy fuxa || rpm -q fuxa || fuxa --version

2. UPGRADE to newer than 1.2.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade fuxa

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade fuxa

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Exact fixes by distribution

npm · @frangoteam/fuxa · NO FIX YET · vulnerable: <= 1.2.8 · source

Fedora 46 · R · FIXED · 4.6.2-1.fc46 · FEDORA-2026-1dd919a262 · source

sudo dnf upgrade --advisory=FEDORA-2026-1dd919a262

Fedora ELN · perl-Mail-AuthenticationResults · FIXED · 2.20261029-1.eln159 · FEDORA-2026-a2c11d7da6 · source

sudo dnf upgrade --advisory=FEDORA-2026-a2c11d7da6

Public exploits and detection

Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.

GitHub PoC: joshuavanderpoll/CVE-2025-69985 (3 stars)
GitHub PoC: kaleth4/CVE-2025-69985 (0 stars)
Write-up: gist.github.com/lihy10/8cb2dd65ebf1385f12a7e00e25a50d40
Exploit-DB: FUXA 1.2.8 - Authentication Bypass + RCE Exploit

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-69985?

fuxa: upgrade to newer than 1.2.8. Exact commands for each OS are on this page.

Is CVE-2025-69985 being exploited?

CVE-2025-69985 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-69985 affect?

CVE-2025-69985 affects fuxa. Severity is critical (CVSS 9.8). FUXA 1.2.8 and prior contains an Authentication Bypass vulnerability leading to Remote Code Execution (RCE). The vulnerability exists in the server/api/jwt-helper.js middleware, which improperly trusts the HTTP "Referer" header to validate

How urgent is CVE-2025-69985?

Priority 68/100. Critical severity; EPSS top 7%: very likely to be exploited; Public exploit reference; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-25752 CRITICAL 9.1 UPGRADE FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software
CVE-2026-25751 HIGH 7.5 UPGRADE FUXA is a web-based Process Visualization (SCADA/HMI/Dashboard) software
CVE-2025-69983 CRITICAL 9.8 DOWNGRADE FUXA v1.2.7 allows Remote Code Execution (RCE) via the project import functionality
CVE-2025-69981 CRITICAL 9.8 DOWNGRADE FUXA v1.2.7 contains an Unrestricted File Upload vulnerability in the `/api/upload` API endpoint
CVE-2025-69971 CRITICAL 9.8 DOWNGRADE FUXA v1.2.7 contains a hard-coded credential vulnerability in server/api/jwt-helper.js

References

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