CVE-2025-9409: A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1

Q: How do I fix CVE-2025-9409?

ruoyi-go: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Q: Is CVE-2025-9409 being exploited?

CVE-2025-9409 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-2025-9409 affect?

CVE-2025-9409 affects ruoyi-go. Severity is medium (CVSS 4.3). A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1. Impacted is the function DownloadTmp/DownloadUpload of the file modules/system/controller/CommonController.go. Performing manipulation of the argument fileName results i

Q: How urgent is CVE-2025-9409?

Priority 29/100. No elevated risk signals yet.

Routine

MEDIUM 4.3UPGRADE

CVE-2025-9409 is a medium-severity flaw (CVSS 4.3) affecting ruoyi-go. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1. Impacted is the function DownloadTmp/DownloadUpload of the file modules/system/controller/CommonController.go. Performing manipulation of the argument fileName results in path traversal. It is possible to initiate the attack remotely. The exploit has been released to the public and may be exploited. The vendor was contacted early about this disclosure but did not respond in an

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	4.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.8% (top 43%)
CISA exploited list	No
Weakness	CWE-22
Published	2025-08-25
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: lostvip

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

Am I affected?

Timeline

2025-08-25 16:15 UTCPublished CVE record published
2026-06-17 10:08 UTCUpdated Record last modified

lostvip ruoyi-go UPGRADE

Affected: <= 2.1

Fixed in: newer than 2.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy ruoyi-go || rpm -q ruoyi-go || ruoyi-go --version

2. UPGRADE to newer than 2.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade ruoyi-go

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade ruoyi-go

Note

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

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-2025-9409?

ruoyi-go: upgrade to newer than 2.1. Exact commands for each OS are on this page.

Is CVE-2025-9409 being exploited?

CVE-2025-9409 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-2025-9409 affect?

CVE-2025-9409 affects ruoyi-go. Severity is medium (CVSS 4.3). A security flaw has been discovered in lostvip-com ruoyi-go up to 2.1. Impacted is the function DownloadTmp/DownloadUpload of the file modules/system/controller/CommonController.go. Performing manipulation of the argument fileName results i

How urgent is CVE-2025-9409?

Priority 29/100. No elevated risk signals yet.

Related CVEs

CVE-2025-9413 MEDIUM 6.3 UPGRADE A flaw has been found in lostvip-com ruoyi-go up to 2.1
CVE-2025-9412 MEDIUM 6.3 UPGRADE A vulnerability was detected in lostvip-com ruoyi-go up to 2.1
CVE-2025-9411 MEDIUM 6.3 UPGRADE A security vulnerability has been detected in lostvip-com ruoyi-go up to 2.1
CVE-2025-9410 MEDIUM 6.3 UPGRADE A weakness has been identified in lostvip-com ruoyi-go up to 2.1
CVE-2025-10218 MEDIUM 6.3 DOWNGRADE A flaw has been found in lostvip-com ruoyi-go 2.1

References

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