CVE-2025-65783: An arbitrary file upload vulnerability in the /utils/uploadFile component of Hubert Imoveis e Administracao Lt

This month

CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-65783 is a critical-severity flaw (CVSS 9.8) affecting hub. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

An arbitrary file upload vulnerability in the /utils/uploadFile component of Hubert Imoveis e Administracao Ltda Hub v2.0 1.27.3 allows attackers to execute arbitrary code via uploading a crafted PDF file.

Why this priority

Critical severity
Remotely exploitable, no login, no user action

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	9.8 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.5% (top 55%)
CISA exploited list	No
Weakness	CWE-434
Published	2026-01-13
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: hubert

Last updated 2026-07-05 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-01-13 16:15 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

hubert hub DOWNGRADE

Affected: 2.0.1.27.3

Fixed in: no fixed release known

Safe to downgrade to: a release before 2.0.1.27.3

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 2.0.1.27.3 (Debian / Ubuntu)

apt-cache madison hub sudo apt install hub=<VERSION_BEFORE_2.0.1.27.3> sudo apt-mark hold hub

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list hub sudo dnf downgrade hub-<VERSION_BEFORE_2.0.1.27.3> sudo dnf versionlock add hub

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2025-65783?

hub: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-65783 being exploited?

CVE-2025-65783 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-2025-65783 affect?

CVE-2025-65783 affects hub. Severity is critical (CVSS 9.8). An arbitrary file upload vulnerability in the /utils/uploadFile component of Hubert Imoveis e Administracao Ltda Hub v2.0 1.27.3 allows attackers to execute arbitrary code via uploading a crafted PDF file.

How urgent is CVE-2025-65783?

Priority 50/100. Critical severity; Remotely exploitable, no login, no user action

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References

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