CVE-2026-84244: IBM Guardium Data Protection 12.2 IBM Security Guardium Data Protection is vulnerable to stored cross-site scr

This month

CRITICAL 9.3REMOTEDOWNGRADE

CVE-2026-84244 is a critical-severity flaw (CVSS 9.3) affecting guardium data protection. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

IBM Guardium Data Protection 12.2 IBM Security Guardium Data Protection is vulnerable to stored cross-site scripting (XSS) in the Quick Search results grid. An unauthenticated attacker who can influence monitored database traffic could execute malicious script in the browser of an authenticated Guardium user.

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	9.3 (Critical)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	None
User interaction	None
EPSS exploit chance	0.2% (top 93%)
CISA exploited list	No
Weakness	CWE-79
Published	2026-10-08
Last modified	2026-10-09

Publisher (CNA): IBM Corporation · Vendor: ibm

Last updated 2026-10-09 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-10-08 20:17 UTCPublished CVE record published
2026-10-09 14:23 UTCUpdated Record last modified

ibm guardium data protection DOWNGRADE

Affected: 12.2

Fixed in: no fixed release known

Safe to downgrade to: a release before 12.2

1. Check installed version

apt-cache policy guardium-data-protection || rpm -q guardium-data-protection || guardium-data-protection --version

2. No fixed release: DOWNGRADE to a release before 12.2 (Debian / Ubuntu)

apt-cache madison guardium-data-protection sudo apt install guardium-data-protection=<VERSION_BEFORE_12.2> sudo apt-mark hold guardium-data-protection

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

dnf --showduplicates list guardium-data-protection sudo dnf downgrade guardium-data-protection-<VERSION_BEFORE_12.2> sudo dnf versionlock add guardium-data-protection

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-2026-84244?

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

Is CVE-2026-84244 being exploited?

CVE-2026-84244 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-2026-84244 affect?

CVE-2026-84244 affects guardium data protection. Severity is critical (CVSS 9.3). IBM Guardium Data Protection 12.2 IBM Security Guardium Data Protection is vulnerable to stored cross-site scripting (XSS) in the Quick Search results grid. An unauthenticated attacker who can influence monitored database traffic could exec

How urgent is CVE-2026-84244?

Priority 39/100. Critical severity; Remotely exploitable, no login, no user action

Related CVEs

CVE-2026-8405 MEDIUM 6.5 DOWNGRADE IBM Guardium Data Protection 12.2.1, and 12.2.2 's add-on feature of Guardium Data Protection named "Long Term
CVE-2026-4918 MEDIUM 5.5 DOWNGRADE IBM Guardium Data Protection 12.1 is vulnerable to stored cross-site scripting
CVE-2026-4917 MEDIUM 4.9 DOWNGRADE IBM Guardium Data Protection 12.1 could allow an administrative user to traverse directories on the system
CVE-2026-84884 HIGH 7.5 DOWNGRADE IBM Guardium Data Protection 12.2 stores internal REST service-account passwords in a reversible plaintext-equ
CVE-2026-84882 HIGH 7.5 DOWNGRADE IBM Guardium Data Protection 12.2 is vulnerable to path traversal in the Universal Connector Oracle Wallet upl

References

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