CVE-2026-5482: Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without

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CRITICAL 9.3REMOTE

CVE-2026-5482 is a critical-severity flaw (CVSS 9.3) affecting affected software. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading to Remote Code Execution. This project is unmaintained at the time of CVE assignment. The vulnerability was found in the latest release 9.14.0

Why this priority

Critical severity
Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	9.3 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-06-15
Last modified	2026-10-25

Publisher (CNA): CERT.PL

Last updated 2026-10-25 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Timeline

2026-06-15 12:16 UTCPublished CVE record published
2026-10-25 23:10 UTCUpdated Record last modified

Exact fixes by distribution

Fedora 46 · log4cplus · FIXED · 2.2.0.1-2.fc46 · FEDORA-2026-fc241370c9 · source

sudo dnf upgrade --advisory=FEDORA-2026-fc241370c9

Fedora ELN · velocitty · FIXED · 1.0.3-2.eln159 · FEDORA-2026-edae8cd295 · source

sudo dnf upgrade --advisory=FEDORA-2026-edae8cd295

Advisories and coverage

Official advisories

CERT Polska: Vulnerability in Responsive FileManager software 2026-06-15

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-2026-5482?

No fixed release is listed yet. Watch the vendor advisory and apply any mitigation shown on this page.

Is CVE-2026-5482 being exploited?

CVE-2026-5482 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-2026-5482 affect?

CVE-2026-5482 affects affected software. Severity is critical (CVSS 9.3). Responsive FileManager's allows an unauthenticated attacker to upload files of any type and extension without restriction using dialog.php endpoint, leading to Remote Code Execution. This project is unmaintained at the time of CVE assignm

How urgent is CVE-2026-5482?

Priority 47/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

PHP vulnerabilities

References

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