CVE-2025-56385: A SQL injection vulnerability exists in the login functionality of WellSky Harmony version 4.1.0.2.83 within t

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CRITICAL 9.8REMOTEDOWNGRADE

CVE-2025-56385 is a critical-severity flaw (CVSS 9.8) affecting harmony. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A SQL injection vulnerability exists in the login functionality of WellSky Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint. User-supplied input to the 'TXTUSERID' parameter is not properly sanitized before being incorporated into a SQL query. Successful authentication may lead to authentication bypass, data leakage, or full system compromise of backend database contents.

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	0.4% (top 62%)
CISA exploited list	No
Weakness	CWE-89
Published	2025-11-12
Last modified	2026-07-05

Publisher (CNA): MITRE · Vendor: wellsky

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

Am I affected?

Timeline

2025-11-12 19:15 UTCPublished CVE record published
2026-07-05 17:17 UTCUpdated Record last modified

wellsky harmony DOWNGRADE

Affected: 4.1.0.2.83

Fixed in: no fixed release known

Safe to downgrade to: a release before 4.1.0.2.83

1. Check installed version

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

2. No fixed release: DOWNGRADE to a release before 4.1.0.2.83 (Debian / Ubuntu)

apt-cache madison harmony sudo apt install harmony=<VERSION_BEFORE_4.1.0.2.83> sudo apt-mark hold harmony

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

dnf --showduplicates list harmony sudo dnf downgrade harmony-<VERSION_BEFORE_4.1.0.2.83> sudo dnf versionlock add harmony

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-2025-56385?

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

Is CVE-2025-56385 being exploited?

CVE-2025-56385 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-2025-56385 affect?

CVE-2025-56385 affects harmony. Severity is critical (CVSS 9.8). A SQL injection vulnerability exists in the login functionality of WellSky Harmony version 4.1.0.2.83 within the 'xmHarmony.asp' endpoint. User-supplied input to the 'TXTUSERID' parameter is not properly sanitized before being incorporated

How urgent is CVE-2025-56385?

Priority 49/100. Critical severity; Remotely exploitable, no login, no user action

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References

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