CVE-2025-0191: A Denial of Service (DoS) vulnerability exists in the file upload feature of gaizhenbiao/chuanhuchatgpt versio

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MEDIUM 6.5DOWNGRADE

CVE-2025-0191 is a medium-severity flaw (CVSS 6.5) affecting chuanhuchatgpt. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A Denial of Service (DoS) vulnerability exists in the file upload feature of gaizhenbiao/chuanhuchatgpt version 20240914. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. By sending a payload with an excessively large filename, the server becomes overwhelmed and unresponsive, leading to unavailability for legitimate users.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.6% (top 51%)
CISA exploited list	No
Weakness	CWE-400
Published	2025-03-20
Last modified	2026-06-17

Publisher (CNA): huntr.dev · Vendor: gaizhenbiao

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

Am I affected?

Timeline

2025-03-20 10:15 UTCPublished CVE record published
2026-06-17 08:26 UTCUpdated Record last modified

gaizhenbiao chuanhuchatgpt DOWNGRADE

Affected: 20240914

Fixed in: no fixed release known

Safe to downgrade to: a release before 20240914

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 20240914 (Debian / Ubuntu)

apt-cache madison chuanhuchatgpt sudo apt install chuanhuchatgpt=<VERSION_BEFORE_20240914> sudo apt-mark hold chuanhuchatgpt

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

dnf --showduplicates list chuanhuchatgpt sudo dnf downgrade chuanhuchatgpt-<VERSION_BEFORE_20240914> sudo dnf versionlock add chuanhuchatgpt

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-2025-0191?

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

Is CVE-2025-0191 being exploited?

CVE-2025-0191 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-2025-0191 affect?

CVE-2025-0191 affects chuanhuchatgpt. Severity is medium (CVSS 6.5). A Denial of Service (DoS) vulnerability exists in the file upload feature of gaizhenbiao/chuanhuchatgpt version 20240914. The vulnerability is due to improper handling of form-data with a large filename in the file upload request. By sendin

How urgent is CVE-2025-0191?

Priority 40/100. Public exploit reference

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References

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