CVE-2025-4866: A vulnerability was found in weibocom rill-flow 0.1.18

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MEDIUM 6.3DOWNGRADE

CVE-2025-4866 is a medium-severity flaw (CVSS 6.3) affecting rill-flow. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability was found in weibocom rill-flow 0.1.18. It has been classified as critical. Affected is an unknown function of the component Management Console. The manipulation leads to code injection. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used.

Why this priority

Public exploit reference

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

Risk facts

CVSS score	6.3 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 49%)
CISA exploited list	No
Weakness	CWE-74, CWE-94
Published	2025-05-18
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: weibo

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

Am I affected?

Timeline

2025-05-18 08:15 UTCPublished CVE record published
2026-06-17 09:34 UTCUpdated Record last modified

weibo rill-flow DOWNGRADE

Affected: 0.1.18

Fixed in: no fixed release known

Safe to downgrade to: a release before 0.1.18

1. Check installed version

apt-cache policy rill-flow || rpm -q rill-flow || rill-flow --version

2. No fixed release: DOWNGRADE to a release before 0.1.18 (Debian / Ubuntu)

apt-cache madison rill-flow sudo apt install rill-flow=<VERSION_BEFORE_0.1.18> sudo apt-mark hold rill-flow

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

dnf --showduplicates list rill-flow sudo dnf downgrade rill-flow-<VERSION_BEFORE_0.1.18> sudo dnf versionlock add rill-flow

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-2025-4866?

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

Is CVE-2025-4866 being exploited?

CVE-2025-4866 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-2025-4866 affect?

CVE-2025-4866 affects rill-flow. Severity is medium (CVSS 6.3). A vulnerability was found in weibocom rill-flow 0.1.18. It has been classified as critical. Affected is an unknown function of the component Management Console. The manipulation leads to code injection. It is possible to launch the attack r

How urgent is CVE-2025-4866?

Priority 40/100. Public exploit reference

References

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