CVE-2025-61506: An issue was discovered in MediaCrush thru 1.0.1 allowing remote unauthenticated attackers to upload arbitrary

Q: How do I fix CVE-2025-61506?

mediacrush: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-61506 being exploited?

CVE-2025-61506 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-2025-61506 affect?

CVE-2025-61506 affects mediacrush. Severity is critical (CVSS 9.8). An issue was discovered in MediaCrush thru 1.0.1 allowing remote unauthenticated attackers to upload arbitrary files of any size to the /upload endpoint.

Q: How urgent is CVE-2025-61506?

Priority 60/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

This week

CRITICAL 9.8REMOTEUPGRADE

CVE-2025-61506 is a critical-severity flaw (CVSS 9.8) affecting mediacrush. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An issue was discovered in MediaCrush thru 1.0.1 allowing remote unauthenticated attackers to upload arbitrary files of any size to the /upload endpoint.

Why this priority

Critical severity
Public exploit reference
CISA SSVC: automatable with total technical impact
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	0.6% (top 49%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-02-03
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: mediacrush

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

Am I affected?

Timeline

2026-02-03 18:16 UTCPublished CVE record published
2026-06-17 09:50 UTCUpdated Record last modified

mediacrush mediacrush UPGRADE

Affected: <= 1.0.1

Fixed in: newer than 1.0.1

Safe to downgrade to: no unaffected older release

1. Check installed version

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

2. UPGRADE to newer than 1.0.1 (Debian / Ubuntu)

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

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mediacrush

Note

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

Exact fixes by distribution

Fedora 46 · proftpd · FIXED · 1.3.9e-2.fc46 · FEDORA-2026-fcb0a25c2f · source

sudo dnf upgrade --advisory=FEDORA-2026-fcb0a25c2f

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: pescada-dev/CVE-2025-61506 (1 stars)
Write-up: gist.github.com/pescada-dev/a046d36e8026bbaf1ee591c6dad0d7e6

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-2025-61506?

mediacrush: upgrade to newer than 1.0.1. Exact commands for each OS are on this page.

Is CVE-2025-61506 being exploited?

CVE-2025-61506 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-2025-61506 affect?

CVE-2025-61506 affects mediacrush. Severity is critical (CVSS 9.8). An issue was discovered in MediaCrush thru 1.0.1 allowing remote unauthenticated attackers to upload arbitrary files of any size to the /upload endpoint.

How urgent is CVE-2025-61506?

Priority 60/100. Critical severity; Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action

References

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