How severe is CVE-2026-4918?

CVE-2026-4918 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2026-4918 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-4918?

CVE-2026-4918 affects Ibm Guardium Data Protection. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-4918?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-4918 have an EU (EUVD) identifier?

Yes. CVE-2026-4918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25133.

When was CVE-2026-4918 published?

CVE-2026-4918 was published on 2026-04-23 and last updated on 2026-06-17.

CVE-2026-4918

CVE-2026-4918 is a medium-severity vulnerability in Ibm Guardium Data Protection with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-25133
Weakness: CWE-79
Affected product: Ibm Guardium Data Protection
Published: 2026-04-23
Last modified: 2026-06-17

Description

IBM Guardium Data Protection 12.1 is vulnerable to stored cross-site scripting. This vulnerability allows an administrative user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.

Frequently asked questions

What is CVE-2026-4918?: IBM Guardium Data Protection 12.1 is vulnerable to stored cross-site scripting. This vulnerability allows an administrative user to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session.
How severe is CVE-2026-4918?: CVE-2026-4918 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2026-4918 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-4918?: CVE-2026-4918 affects Ibm Guardium Data Protection. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-4918?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4918 have an EU (EUVD) identifier?: Yes. CVE-2026-4918 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-25133.
When was CVE-2026-4918 published?: CVE-2026-4918 was published on 2026-04-23 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7270422

Affected products (1)

cpe:2.3:a:ibm:guardium_data_protection:12.1:*:*:*:*:*:*:*

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